To cut an acrylic sheet effectively, you have several methods depending on the tools available and the type of cut you want:
Cutting Acrylic Sheets by Hand (Scoring and Snapping)
- Keep the protective film on the acrylic to avoid scratches.
- Use a straight edge (like a ruler or a rectangular tube) and clamp it firmly to the sheet.
- Score the acrylic along the cut line repeatedly with a sharp scoring knife or box cutter, applying firm but controlled pressure.
- Flip the sheet and score the opposite side along the same line.
- Align the scored line with the edge of a workbench, then apply even downward pressure to snap the acrylic cleanly along the score
Using a Handsaw or Coping Saw
- For more complex or curved cuts, use a fine-toothed handsaw or coping saw.
- Clamp the acrylic securely with a sacrificial piece of wood underneath to support the cut.
- Saw slowly and steadily to avoid chipping or cracking.
- This method works well for curved or irregular shapes
Power Tools for Cutting Acrylic
- A circular saw or table saw with a fine-toothed blade designed for plastics is ideal for straight cuts.
- Maintain a moderate feed speed to prevent cracking.
- Support the acrylic sheet fully to avoid bending near the cut.
- Jigsaws with fine-toothed blades can be used for curved cuts but are better suited for cast acrylic than extruded acrylic to reduce risk of tearing
Finishing the Edges
- After cutting, sand the edges starting with rough grit sandpaper and progressing to finer grits.
- Use a sanding block to keep the sanding even and at a 90-degree angle to the edge.
- For a polished finish, further buffing or polishing may be necessary
Summary
- For thin sheets and straight cuts, scoring and snapping is quick and effective.
- For curves or thicker sheets, use a fine-toothed saw or power tools.
- Always clamp and support the acrylic well to avoid cracking.
- Finish edges by sanding and polishing for a smooth look.
This approach balances ease, safety, and quality of the cut depending on your tools and project needs