This thing is a combined spool and LCD holder for a metal frame Prusa i3. The spool holder supports up to two filament spools.
The “Prusa i3 LCD And Spool Frame Holder.stl” file should be printed with support material.
The rods holding the top horizontal one are 5/16″ (8 mm) threaded rods, 6″ (15 cm) in length. I have tapped the two “Prusa i3 Spool Holder Top Bracket” holders and the frame brackets to screw in the rods.
The 5/16″ (8 mm) threaded rod holding the LCD is 9″ 1/2 (cm) long.
I have used a 1/4″ wooden rod to hold the filament spools which provides just enough friction. Its length depends on the distance you put between the two brackets mounted on the printer frame. Bearings are not needed.
Choose the filament guides who suit your needs, either the singles or the double one.
There are two sizes of the spool bushing. I have used #10 threaded rods to mount them on the filament spool. Spacers are put on each side of the filament spool to prevent blockage that might be caused by the nuts and the rods. I use different colors for ABS, PLA, PLA/PHA, …
Copyright 2012-2013 by Claude Théroux