Collectie 155+ Creality Ender 3 Pro V2 Firmware

Collectie 155+ Creality Ender 3 Pro V2 Firmware. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Firmware, upgraded part firmware/video tutorial download

Uitgelicht The Newest Firmware Download For Free On The Creality3d Online Store

The stocked firmware (firmware that is… Marlin firmware/bl touch/open source files/manuals/drive. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download.

Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Creality's ender 3's stock firmware is decent, but it could be better. No, you don't need to update the firmware of your 3d printer. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality latest firmware ender series. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. The stocked firmware (firmware that is… Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download.

Creality's ender 3's stock firmware is decent, but it could be better. .. Creality's ender 3's stock firmware is decent, but it could be better.

Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Ender series 3d printer, creality frimware download. Creality latest firmware ender series. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. The stocked firmware (firmware that is… Creality's ender 3's stock firmware is decent, but it could be better. Read on to see our collection of the most common firmware upgrades... Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download.

Ender series 3d printer, creality frimware download. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Ender series 3d printer, creality frimware download. When do i need to update the firmware? Creality latest firmware ender series. This forum is fonded by creality 3d official store. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Marlin firmware/bl touch/open source files/manuals/drive. Firmware, upgraded part firmware/video tutorial download. When do i need to update the firmware?

Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. When do i need to update the firmware? Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads.

Read on to see our collection of the most common firmware upgrades. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. No, you don't need to update the firmware of your 3d printer. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Ender series 3d printer, creality frimware download. When do i need to update the firmware? Creality latest firmware ender series.. When do i need to update the firmware?

No, you don't need to update the firmware of your 3d printer. Creality latest firmware ender series. When do i need to update the firmware? Creality's ender 3's stock firmware is decent, but it could be better.

Marlin firmware/bl touch/open source files/manuals/drive. Creality latest firmware ender series... No, you don't need to update the firmware of your 3d printer.

Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.. When do i need to update the firmware? This forum is fonded by creality 3d official store. The stocked firmware (firmware that is… Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Marlin firmware/bl touch/open source files/manuals/drive. Ender series 3d printer, creality frimware download.

Firmware, upgraded part firmware/video tutorial download Creality's ender 3's stock firmware is decent, but it could be better. This forum is fonded by creality 3d official store. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Firmware, upgraded part firmware/video tutorial download Ender series 3d printer, creality frimware download. Creality latest firmware ender series. No, you don't need to update the firmware of your 3d printer... Creality's ender 3's stock firmware is decent, but it could be better.

The stocked firmware (firmware that is… Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. This forum is fonded by creality 3d official store. No, you don't need to update the firmware of your 3d printer. Creality's ender 3's stock firmware is decent, but it could be better. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Read on to see our collection of the most common firmware upgrades. Marlin firmware/bl touch/open source files/manuals/drive. Ender series 3d printer, creality frimware download.

No, you don't need to update the firmware of your 3d printer... No, you don't need to update the firmware of your 3d printer. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Creality's ender 3's stock firmware is decent, but it could be better. Marlin firmware/bl touch/open source files/manuals/drive. This forum is fonded by creality 3d official store. Read on to see our collection of the most common firmware upgrades. Firmware, upgraded part firmware/video tutorial download The stocked firmware (firmware that is… Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

No, you don't need to update the firmware of your 3d printer.. Firmware, upgraded part firmware/video tutorial download Read on to see our collection of the most common firmware upgrades. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. When do i need to update the firmware? Creality's ender 3's stock firmware is decent, but it could be better. Ender series 3d printer, creality frimware download. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality latest firmware ender series. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads... Ender series 3d printer, creality frimware download.

Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Marlin firmware/bl touch/open source files/manuals/drive. Creality latest firmware ender series. This forum is fonded by creality 3d official store... This forum is fonded by creality 3d official store.

This forum is fonded by creality 3d official store. Marlin firmware/bl touch/open source files/manuals/drive. Ender series 3d printer, creality frimware download. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Firmware, upgraded part firmware/video tutorial download Creality latest firmware ender series. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. This forum is fonded by creality 3d official store. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Read on to see our collection of the most common firmware upgrades.. Firmware, upgraded part firmware/video tutorial download

No, you don't need to update the firmware of your 3d printer. Creality's ender 3's stock firmware is decent, but it could be better. Marlin firmware/bl touch/open source files/manuals/drive. No, you don't need to update the firmware of your 3d printer. Read on to see our collection of the most common firmware upgrades. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Creality latest firmware ender series. Creality's ender 3's stock firmware is decent, but it could be better.

Ender series 3d printer, creality frimware download. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. The stocked firmware (firmware that is… Creality latest firmware ender series. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Marlin firmware/bl touch/open source files/manuals/drive. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here.. No, you don't need to update the firmware of your 3d printer.

Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads... Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download.

This forum is fonded by creality 3d official store. This forum is fonded by creality 3d official store... Read on to see our collection of the most common firmware upgrades.

Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads.. This forum is fonded by creality 3d official store. Ender series 3d printer, creality frimware download. No, you don't need to update the firmware of your 3d printer. Marlin firmware/bl touch/open source files/manuals/drive. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads... Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

Read on to see our collection of the most common firmware upgrades. No, you don't need to update the firmware of your 3d printer. This forum is fonded by creality 3d official store. Creality's ender 3's stock firmware is decent, but it could be better. Marlin firmware/bl touch/open source files/manuals/drive. The stocked firmware (firmware that is…. Firmware, upgraded part firmware/video tutorial download

Marlin firmware/bl touch/open source files/manuals/drive. Creality's ender 3's stock firmware is decent, but it could be better. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. When do i need to update the firmware? Creality latest firmware ender series.. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

Creality latest firmware ender series. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. No, you don't need to update the firmware of your 3d printer. Creality's ender 3's stock firmware is decent, but it could be better. Marlin firmware/bl touch/open source files/manuals/drive. Read on to see our collection of the most common firmware upgrades. Firmware, upgraded part firmware/video tutorial download Creality latest firmware ender series. When do i need to update the firmware?.. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads.

This forum is fonded by creality 3d official store. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. The stocked firmware (firmware that is….. Firmware, upgraded part firmware/video tutorial download

Marlin firmware/bl touch/open source files/manuals/drive. . Marlin firmware/bl touch/open source files/manuals/drive.

Marlin firmware/bl touch/open source files/manuals/drive.. This forum is fonded by creality 3d official store. When do i need to update the firmware? Creality's ender 3's stock firmware is decent, but it could be better. No, you don't need to update the firmware of your 3d printer. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Read on to see our collection of the most common firmware upgrades. The stocked firmware (firmware that is… Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here... When do i need to update the firmware?

No, you don't need to update the firmware of your 3d printer... Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Firmware, upgraded part firmware/video tutorial download When do i need to update the firmware? Creality's ender 3's stock firmware is decent, but it could be better. The stocked firmware (firmware that is….. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads.

Creality's ender 3's stock firmware is decent, but it could be better. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. The stocked firmware (firmware that is… Creality latest firmware ender series. Firmware, upgraded part firmware/video tutorial download No, you don't need to update the firmware of your 3d printer. When do i need to update the firmware? Read on to see our collection of the most common firmware upgrades. Marlin firmware/bl touch/open source files/manuals/drive. Creality's ender 3's stock firmware is decent, but it could be better. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here.

No, you don't need to update the firmware of your 3d printer. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. No, you don't need to update the firmware of your 3d printer. The stocked firmware (firmware that is… Creality latest firmware ender series. Read on to see our collection of the most common firmware upgrades. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Marlin firmware/bl touch/open source files/manuals/drive. Firmware, upgraded part firmware/video tutorial download Ender series 3d printer, creality frimware download. When do i need to update the firmware?.. The stocked firmware (firmware that is…

No, you don't need to update the firmware of your 3d printer.. Creality latest firmware ender series. This forum is fonded by creality 3d official store. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Ender series 3d printer, creality frimware download. No, you don't need to update the firmware of your 3d printer. The stocked firmware (firmware that is….. Read on to see our collection of the most common firmware upgrades.

Creality's ender 3's stock firmware is decent, but it could be better... This forum is fonded by creality 3d official store. Creality latest firmware ender series. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. When do i need to update the firmware? Firmware, upgraded part firmware/video tutorial download Creality's ender 3's stock firmware is decent, but it could be better. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f... Ender series 3d printer, creality frimware download.

Marlin firmware/bl touch/open source files/manuals/drive. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

No, you don't need to update the firmware of your 3d printer.. The stocked firmware (firmware that is… Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. This forum is fonded by creality 3d official store. Creality latest firmware ender series. Marlin firmware/bl touch/open source files/manuals/drive.. Firmware, upgraded part firmware/video tutorial download

Firmware, upgraded part firmware/video tutorial download Read on to see our collection of the most common firmware upgrades. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality's ender 3's stock firmware is decent, but it could be better. No, you don't need to update the firmware of your 3d printer. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download... Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here.

Creality's ender 3's stock firmware is decent, but it could be better. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. The stocked firmware (firmware that is… Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. The stocked firmware (firmware that is…

Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Ender series 3d printer, creality frimware download. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. This forum is fonded by creality 3d official store. The stocked firmware (firmware that is… Creality latest firmware ender series. Marlin firmware/bl touch/open source files/manuals/drive. Creality's ender 3's stock firmware is decent, but it could be better. No, you don't need to update the firmware of your 3d printer. Read on to see our collection of the most common firmware upgrades... Read on to see our collection of the most common firmware upgrades.

This forum is fonded by creality 3d official store... Ender series 3d printer, creality frimware download. Read on to see our collection of the most common firmware upgrades. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here.

Ender series 3d printer, creality frimware download... Marlin firmware/bl touch/open source files/manuals/drive. The stocked firmware (firmware that is… Creality latest firmware ender series. Firmware, upgraded part firmware/video tutorial download. Marlin firmware/bl touch/open source files/manuals/drive.

Creality's ender 3's stock firmware is decent, but it could be better. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.

Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. . No, you don't need to update the firmware of your 3d printer.

No, you don't need to update the firmware of your 3d printer. . No, you don't need to update the firmware of your 3d printer.

Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Marlin firmware/bl touch/open source files/manuals/drive. Ender series 3d printer, creality frimware download. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. This forum is fonded by creality 3d official store. Read on to see our collection of the most common firmware upgrades. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. When do i need to update the firmware?. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here.

This forum is fonded by creality 3d official store. Firmware, upgraded part firmware/video tutorial download Creality's ender 3's stock firmware is decent, but it could be better. Marlin firmware/bl touch/open source files/manuals/drive. Creality latest firmware ender series. Read on to see our collection of the most common firmware upgrades. When do i need to update the firmware? No, you don't need to update the firmware of your 3d printer. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download.

Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Marlin firmware/bl touch/open source files/manuals/drive. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Open source, 32bit 4.2.2/4.2.7firmware, upgraded part firmware/manual download. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. No, you don't need to update the firmware of your 3d printer.. Creality latest firmware ender series.

Creality latest firmware ender series... Read on to see our collection of the most common firmware upgrades. Ender series 3d printer, creality frimware download. When do i need to update the firmware? Creality's ender 3's stock firmware is decent, but it could be better. This forum is fonded by creality 3d official store. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Marlin firmware/bl touch/open source files/manuals/drive. The stocked firmware (firmware that is… Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Firmware, upgraded part firmware/video tutorial download

Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Read on to see our collection of the most common firmware upgrades. The stocked firmware (firmware that is… Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Ender series 3d printer, creality frimware download. This forum is fonded by creality 3d official store.. Read on to see our collection of the most common firmware upgrades.

Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality latest firmware ender series. Creality 3d, an official 3d printer supplier dedicated to developing 3d printer & filament design, sales, and distributing, now we are looking for distributor & reseller cooperations, check more details here. Creality latest firmware for ender series/cr series v4.2.2/v4.2.7 touch screen, open source downloads. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f. This forum is fonded by creality 3d official store. The stocked firmware (firmware that is… Marlin firmware/bl touch/open source files/manuals/drive. Read on to see our collection of the most common firmware upgrades. Hi guys,in this video, we will explain how to get, modify and flash marlin's firmware in your creality ender 3 v2 3d printer.there are 2 ways to obtain the f.