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Cardboard Tube: Pasted Paper Rolled on a Mandrel
A cardboard tube is layers of paper pasted together round a former: stiff, light and as round as the rod it was rolled on. Kaleidoscopes, periscopes, pinhole cameras and model rocket bodies are built on them.
Beginner
An hour, then a day drying
Instructions
1
1
Cut the paper
Cut the paper
Cut paper as wide as the tube is long. Wrap a dry first turn round a wooden dowel of the bore you want, so the tube will slide off.
Materials for this step:
Paper5 sheetsTools needed:
Craft Knife
Ruler
Wooden Dowel2
2
Paste and roll
Paste and roll
Brush paste over the rest of the sheet and roll it on tightly, smoothing out bubbles. Add more pasted sheets until the wall is as thick as you need, staggering the joins.
Materials for this step:
Wheat Paste100 mlTools needed:
Glue BrushWooden Dowel3
3
Dry and slide off
Dry and slide off
Let it dry on the dowel for a day, twist it free and trim both ends square with a sharp knife.
Tools needed:
Craft KnifeRulerThis blueprint makes
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