SKR 1.4 Controller box model 4

thingiverse

This is a control box designed to hold up: -raspberry pi 3/4 -BIQU SKR 1.4 or 1.3 -50x50x10 fan -two LM2596 DC-DC converters -Multiple heated bed Mosfet -Z axis multiplier -two power switch Things may seem tight inside, but it gives all components easy access to airflow and physical maintenance. The box can be printed in a Prusa i3 printer with at least a 210x210 bed. It has mounting screw holes for a profile on the bottom of the case and sides, so you can mount it in any position you need. If you need to mount it to an Ender 3, we recommend using the mirror function of Cura to make it fit. All holes have a +0.2mm size overcut to compensate for overextrusion. The list of required bolts may differ from one mounting to another, but the basic sizes are: M3 20mm for door hinges M3 20mm for fan enclosure M3 16mm for fan to door M3 8mm for electronic boards to box (some people suggested 6mm as an alternative) M2.5 8mm for raspberry pi (some people have reported using 6mm without problems) M4 to fix the board to profiles or structure Important! The fan must be positioned to extract hot air from inside, not blow it in. Repeat: the fan takes air from inside the box and blows it outside. Otherwise, it won't work properly and heat will cycle inside the box, causing heat pockets near components. We also recommend using Delta fans, as they come in 20ish db versions with 12 and 24v and in 50x50 size. *The tapped holes are intended; cut them if you need that hole with a razor, once the print is done. No need to stop at layer 14 or any other. *There is now a fan adapter for those who want to use a 4010 fan. *Older versions have been moved to legacy in their respective posts. Model 4 upgrades: -More suitable raspberry positioning and a universal pi3/4 compatible model -More space for cable management -Made bigger inside by 10mm -New sides and bottom holes, it can be mounted almost in any position now -Mounting bracket for 2020 profiles -Thicker walls and nerves to increase strength -Internal hinges -Adaptable Mosfet base plate, one box fits all -Specific hole for wifi card in SKR 1.4 -Screwless door lock, now it uses a clip -Improved fan position and noise with a cover case -Changes to make it easier to print: -tapped holes, -reduced retractions needed -better designed panels -softened edges and increased tolerances Sharing file format has been moved to 3mf. It provides better printing resolution and is easier to edit than an STL if any of you need it. Other file formats can be requested via PM if you need them. Thanks for sharing their mockup pieces and designs to: Towe Ancel Curativo Albert Thingster BigTreeTech MKR Also, thanks to all those who had the patience to print, troubleshoot, and leave feedback on my models. Hope it helps you in this new 32-bit era! Designed by Carles