Balsa Stripper for wide strips

Jim Jones style stripper for 5mm-20mm (1/4"-3/4") wide strips
5
33
0
506
updated December 30, 2022

Description

PDF

Similar to my other model, this tool should be able to cut balsa sheets up to 1/8" thick into strips from 5mm-20mm wide (¼" to ¾").  Set the thickness using the front side.  Aligning the slide to the edges will be 8mm or 5/16".  Sliding left will reduce the strip width, sliding right will increase the width.

Suggested print settings:

Standard Quality  0.2

Bottom Pattern Initial Layer: Concentric
Connect Top/Bottom Polygons: True
Initial Layer Travel Speed: 35
Infill Density: 40%

Assembly:

Additional parts needed:

  • #11 x-acto knife blade
  • 2x 3mm screws.  Longer is better.  I went with 16mm
  • 1x 5mm thumb screw about 10mm long.  Like this M5x10
  1. Tap the slide's hole with a 5mm tap.  Tap the two holes on the back with 3mm.
  2. If you want, use a fine-tip permanent marker to ink the measurement values into the top and wipe away excess with rubbing alcohol.
  3. Place the slide piece into the top and ensure it slides easily.  Be careful of the small indicators; don't break them off.
  4. Snap the back onto the top piece.  It may require a little percussive persuasion.  You can glue it but it shouldn't be necessary.  Avoid gluing the slide.  It should still slide easily.
  5. Don't install the thumb screw yet.  
  6. Using the M3 screws, attach the strap and insert a blade vertically.  You can also add a spring like the prior model, but it's not as necessary with this one.
  7. Using an X-Acto knife, carefully stab the tip of the blade into the top plastic.  Not all the way through.  You want it as close to perpendicular as you can.  See photos. Without removing the blade from the balsa cutter, loosen the blade from the X-Acto handle and remove the handle.
  8. Tighten both 3mm screws to secure the blade.
  9. (optional, but much safer!) use a Dremel to carefully cut off the blade even with the edge of the strap.
  10. Install the thumb screw.
  11. Your balsa stripper is now complete.
  12. Set the desired thickness on the front.  Flip over, and slide a sheet of balsa through the blade to cut strips.

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Model origin

The author remixed this model.

License