Paper crafts

Lightweight paper-ball rolling channel

Use a large, light paper ball with supervision, not small marbles. No performance or toy-safety certification.

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Paper
US Letter
Pages
4
Sheet
215.9 × 279.4 mm
Format
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Pages in this PDF
  • Page 1 — Assembly instructions
  • Page 2 — 175 x 56 mm trough (2 pieces)
  • Page 3 — 175 x 56 mm trough
  • Page 4 — Assembly instructions

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Lightweight paper-ball rolling channel / LETTER

A good fit for your idea?

Letter and A4 preserve the component dimensions. Choose the sheet you will print, not a different object size.

Materials and construction

Plain 100 to 140 gsm paper for a first dimensional trial; approximately 160 to 220 gsm card only after confirming the folds. Use a ruler, suitable scissors, a blunt scoring tool and a small amount of paper adhesive. An adult should handle internal cuts, holes and small fasteners.

Before making a batch

Measure the 50 mm reference and two named component dimensions.

Make a complete empty trial and document fold direction, joining order, collision, stability and any fragile features.

Repeat the trial using your chosen paper. Check that every join holds and each moving part works freely before decorating.

Inside this edition

Instruction pages
2
Orientation
Portrait

Three 175 mm channel sections, 28 mm floor width and 14 mm sides.

Lightweight paper-ball rolling channel. Use a large, light paper ball with supervision, not small marbles. No performance or toy-safety certification.

From file to finished page

  1. Cut and score each channel, then raise the two 14 mm walls.
  2. Join sections with their 12 mm overlap zones aligned in the direction of travel.
  3. Support on stable folded paper blocks with a very shallow slope. Use a large lightweight paper ball, not a small marble.
  4. Keep the model on a table with an end stop. Use a large, light paper ball with supervision and keep small objects away from young children.
Printing and use notes

Use a large, light paper ball with supervision, not small marbles. No performance or toy-safety certification.

Drawing dimensions describe flat paper surfaces, not verified internal capacity, load strength, fit or material compatibility.

No mailing, food-contact, archival, toy-safety, protective-wear or cutting-machine certification is supplied.

Make a plain-paper trial first; paper thickness and fold accuracy can change the fit.

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Lightweight paper-ball rolling channel