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Make a teal PLA mat tray with a filled base, high back, sloping sides and low amber front. Measure your stack, assemble the cooled parts and test taking one card. The finished object measures approximately 11 × 8 × 5 cm.

Age
8–12 years
Length
approx. 3 h
Level
Medium
Where you teach
Home
Purpose
Creative
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How to run this session

Stages and timing
  1. Base outline
  2. Half of the base infill
  3. Completed base mat
  4. Make the high back mat
  5. Make two sloping sides ×2
  6. Make the low front
  7. Position and join the back
  8. Attach the left side
  9. Attach the right side
  10. Attach the low stop
  11. Finish the amber rim
  12. Test taking one card

What gets built

Provide convenient access to a small paper supply.

What it practises
  • Measuring a paper stack and planning clearance.
  • Making filled mats, cooling and assembling supported PLA interfaces.

Success criteria
  • One card can be removed without spilling the stack.
  • Corners do not catch on seams or strand ends.
  • The base sits flat, the walls are stable and the low front leaves access clear.

What you need
Filament
PLA
Colours
teal, amber
Also
Prepare 3d pen compatible with pla: 1 item., Prepare work mat suitable for pla temperatures: 1 item., Prepare ruler: 1 item., Prepare small notes or business cards: 1 stack., Prepare a4 printer paper: 4 sheets., Prepare scissors: 1 pair.

Files

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Version 69e77277-02e8-4feb-854b-47fd8198a80c Updated 2026-10-07

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