Case for BTT Pi 2 or raspberry pi 3b + PiTFT50 v2.x + 40x10mm 5v fan

updated Jan13:
rev 3 should be safe to print and test.
I printed rev 2 for the raspberry pi 3 and tft50 v2.0, and only one tiny fix was needed which is fixed in rev3

updated Jan12:
there was a small area that needed shaving
also tweaked it to be able to optionally add M2.5 washers under the btt pi raising it by 0.5~0.6mm, not sure if needed

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untested (Once beyond prototype stage STL will be released for free)

Four M2.5 screws (unknown length, likely M2.5x6 or so )
Four M3x6 to M3x12 (sandwiched piece)
Four M2.5 flat washer or the printed one I provided with side walls
Two M3x8 (maybe M3x6) (rear case)
Two M3x6 (foot)
Four M3x12 (fan)

Four M3x17 standoff (supposedly included with screen)

5v fan - 4010


- add screen to frame
- add the sandwiched printed piece
- secure the screen with screws (M2.5)
- add ribbon cable
- secure the sandwiched printed piece to the front case with M3 screws (M3x6 to M3x12)
- carefully place the m2.5 washer (printed side wall model will be easier to stay in place temporarily)
- add pi and secure to the screen using the 17mm M2.5 standoff as screws
- connect ribbon to pi video connector.
- route the USB C power port now as it  may be easier than later (plus the USB C connector may actually not fit through the hole once closed)
- if you want the rear foot (optional), install it now, and secured with two M3x6 from inside the rear case (but check as it may possibly stay in place without screws)
- install 5v fan, secure with M3x12 screws, and wire it to GPIO
- carefully place the rear case and secure with 4 middle screws M3x8 (if that doesn't work, try M3x6)


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