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Free Art and patternGeometry and maths
Geometric pattern coaster
Create a round 90 mm coaster with your own PLA colour pattern. Join the short lines into an even grid and try it under a glass with a cold drink.
- Age
- 8+ years
- Length
- approx. 50 min
- Level
- Easy
- Where you teach
- Home
- Purpose
- Creative
How to run this session
Stages and timing
- Outline
- First rows of the pattern
- Finish your chosen colour pattern
- Use under a cold drink
What gets built
Make an even surface from a repeating motif.
What it practises
- Joining short strands into a flat pattern.
- Creating your own colour pattern and checking the coaster's stability.
Success criteria
- All the pattern lines are joined to one another and to the outline, with no loose ends.
- A glass with a cold drink stands on the coaster without wobbling.
What you need
- Filament
- PLA
- Colours
- Teal
- Also
- 3D pen for PLA, with power supply and pen stand — 1, Transparent mat from the kit — 1, Full pattern printed on regular A4 paper — 1, Ruler — 1, Glass with a cold drink — 1, Scissors for small, cool PLA strands — 1, Level, clean worktop — 1
Files
The files for this plan are free once you have an account. Download what you need and come back to them any time.
- Session slides Opens in the browser, nothing to install. 1.6 MB
- Step-by-step guide (colour) A4 PDF with full illustrations. 1.6 MB
- Step-by-step guide (ink-saving) A4 PDF prepared for cheap printing. 561 kB
- Printable worksheet, 1:1 scale Templates at 1:1 scale. Print one per person. 185 kB
Version 2026-09-29 Updated 2026-09-29
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