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'Gyu' Polypropylene Stool
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Published on October 18, 2012
Description
A single sheet of polypropylene folded to create a 450mm-high stool. Intended for use in a design studio or around any low table/desk.
Instructions
Things you will need:
- ShopBot
- 3mm end mill (down-spiral)
- 6mm ball nose mill
- 3mm thick polypropylene (at least 1200mmx1200mm)
- sacrificial MDF board (I used a 3mm thick sheet)
- plenty of double-sided tape
- screws/drill (for securing MDF)
Step 1 - Secure sacrificial sheet by hand(preferably MDF - something cheap) to the Shopbot with screws around the edge. Ensure it's completely flat.
Step 2 - Fix 6mm ball-nose and run 'Drill' drill path once axes have been established. Drill additional screws into these points.
Step 3 - Stick PP sheet to MDF with double-sided tape (the more the better - and you may need a hand with this).
Step 4 - Run 'Scores' cutting path with 6mm ball-nose still in place, at 2.5mm cutting depth.
Step 5 - Change to 3mm end-mill (remember to reset set z-axis). Cut 'Profile Cuts' file, at 3.7mm cutting depth.
Step 6 - Remove cut, clean edges/scores.
Step 7 - Follow diagrams to fold form - firstly folding the top faces with the scored edge facing out. Then the remainders with the scored edge inside the fold.
Note: - all cuts/scores are made with a spindle speed of 5000rpm, with feed rate set at 20mm/sec and plunge rate at 10mm/sec (refer screenshots).
- Cutting time should take around 20 minutes.
- Partworks file attached should you want to make any alterations
- ShopBot
- 3mm end mill (down-spiral)
- 6mm ball nose mill
- 3mm thick polypropylene (at least 1200mmx1200mm)
- sacrificial MDF board (I used a 3mm thick sheet)
- plenty of double-sided tape
- screws/drill (for securing MDF)
Step 1 - Secure sacrificial sheet by hand(preferably MDF - something cheap) to the Shopbot with screws around the edge. Ensure it's completely flat.
Step 2 - Fix 6mm ball-nose and run 'Drill' drill path once axes have been established. Drill additional screws into these points.
Step 3 - Stick PP sheet to MDF with double-sided tape (the more the better - and you may need a hand with this).
Step 4 - Run 'Scores' cutting path with 6mm ball-nose still in place, at 2.5mm cutting depth.
Step 5 - Change to 3mm end-mill (remember to reset set z-axis). Cut 'Profile Cuts' file, at 3.7mm cutting depth.
Step 6 - Remove cut, clean edges/scores.
Step 7 - Follow diagrams to fold form - firstly folding the top faces with the scored edge facing out. Then the remainders with the scored edge inside the fold.
Note: - all cuts/scores are made with a spindle speed of 5000rpm, with feed rate set at 20mm/sec and plunge rate at 10mm/sec (refer screenshots).
- Cutting time should take around 20 minutes.
- Partworks file attached should you want to make any alterations
License
'Gyu' Polypropylene Stool by swells is licensed under the Attribution - Non-Commercial - Creative Commons license.
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