3D Printed Belt Sander / Grinder (Free version)

I also adapted this machine to fit other sanding belts length and width (25×762, 30×750, 30×800, 40×760 and 50×760): 

Printables: https://www.printables.com/model/869218-3d-printed-belt-sander-grinder

Cults3D: https://cults3d.com/en/3d-model/tool/3d-printed-belt-sander

I designed this belt sander so that anyone with a print area of at least 23 × 23 cm can print it.

It is made to fit 30×750 sanding belts and simple to build.

Please make sure you have the right sanding belt before starting printing.

If you want to learn more about it, I also made a YouTube video:

(Yes the video is in German, but I made subtitles for English and French people)

Needed is:

• a motor (is better when more than 120w) (Many motor sizes fit in this machine, up to 48 mm diameter(wants to use a bigger motor? > https://cults3d.com/en/3d-model/tool/3d-printed-belt-sander). The length does not matter.)
• ball-bearing: 6x 8×22×7 mm
• threaded M8 rod: 65 | 95 | 90 mm
• 20t GT2 pulley
• a 245 mm GT2 belt
• obviously the sanding belt
• Screws: 16x M3 15 mm & 11x M3 10 mm & 6x M4 10 mm & 2x M4 15 mm &2x M6 70 mm & 2 screws for the motor
• Nuts:
  • 11x M3
  • 6x M4
  • 2x M6
  • 7x M8
• a 3×30×120 mm thin wooden plate
• a 10×15 mm switch
• Some PLA to print the Parts ~ 510 g

Links to some parts I used:

• Motor: https://ebay.us/pjVOoS
• Switch: https://ebay.us/UNJLPv
• Belt: http://bit.ly/3bs5le4
• Nuts and bolts: https://ebay.us/OBHXHK
• 20t GT2 pulley: https://ebay.us/2cFIvN
• Ball bearing 8 x 22 x 7 mm: https://ebay.us/mJzgKK
• My filament (ESUN): https://ebay.us/79cs9W

If you click on links to various merchants in this description and make a purchase, this may result in me receiving a small commission. Affiliate programs include, but are not limited to, the eBay Partner Network.