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Acrylic

Shapeoko 4 — Cast Acrylic - Clear

⚙ Shapeoko 4 Tested 2025
4/5
Notes
Acrylic on Shapeoko 4 with an O-flute (single flute) bit gives excellent results. Polished edges.
Tips
Single flute O-flute bit is mandatory for acrylic — it clears chips before they melt back. Keep feeds up to prevent heat buildup.
Details

Acrylic on Shapeoko 4 with an O-flute (single flute) bit gives excellent results. Polished edges.

Bit

SettingValue
Type1/4" single flute O-flute (acrylic bit) mandatory
Alternative1/8" O-flute for detail work

Cutting

SettingValue
Rpm18000 RPM
Feed Rate1500 mm/min
Depth Per Pass1.5 mm 3mm acrylic
Stepover40 %
Plunge Rate300 mm/min

Notes

SettingValue
CoolantCompressed air or mist cooling recommended
TapeDouble-sided tape workholding — clamps can crack acrylic important

Tips

Single flute O-flute bit is mandatory for acrylic — it clears chips before they melt back. Keep feeds up to prevent heat buildup.