FLA Week 3: Making biomaterial using a mould that cut out using laser cutter - SCOPES Digital Fabrication

Lesson Details

Subjects
Age Ranges
Standards
Fab-Safety.1, Fab-Fabrication.1, Fab-Design.1
Author

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Author

Chaik Haw Ren
K-12 teacher

Summary

1. Create a mould in 3mm or 5mm plywood / acrylic using the laser cutter.

2. Prepare all the necessary recipe and cook your own material. Pour it into your cut moulds.

What You'll Need

1) 20g of agar-agar powder, used as a thickening agent.

2) 30ml of glycerine to improve the ability of bioplastic in absorbing water and as a crystal-forming agent.

3) 800ml of tap water, acts as solvent.

4) 3g of gelatine that has a strong affinity for water, used to bind cells together.

5) Food colouring to provide all sorts of colour to colourless and “fun” products.

The Instructions

Design a mould and cut out using Laser Cutter

Design a mould using a selected design software. Select a material (3mm/5mm Plywood/Acrylic) and use digital fabrication equipment to cut out the designed mould.

1) Open CorelDRAW software and create a NEW file –> Create 1-piece 125mm x 125mm x 3mm thk base plate using 3mm acrylic and 1-piece 125mm x 125mm x 5mm thk outer-size with 10mm thk frame using 5mm acrylic.

2) Select “HAIRLINE” line type for all profile cuts. Select different colour lines represent different layer of the workdone.

3) Send the file to EpiLog Engraver software on parameter settings for the laser cutter by selecting “PRINT” option.

4) Input the correct parameters before sending it to the laser cutter.

For 3mm acrylic: -Auto Focus – Thickness

-Process Type – Vector (profile cut)

-Speed – 16% (adjust based on requirement)

-Power – 85% (adjust based on requirement)

-Frequency – 90% (adjust based on requirement)

-Cycles – 1 (preferred, adjustable based on material thickness)

-Thickness – 3mm (given)