The geometry of paper: engineering a 3D rainbow from 2D sheets
In short: Learn the precise folding and cutting techniques required to transform flat cardstock into a structural pop-up rainbow. This guide breaks down the mechanics of V-folds and tabs to create a reliable 3D effect.
The process begins by creating a base and a separate rainbow component. The rainbow is formed by cutting a wide V-fold out of a second sheet of cardstock, using a pencil to trace the arch and optional clouds. For a more precise result, the guide suggests using a template or manually creating tabs at the base of the rainbow piece.
The structural integrity of the pop-up relies on symmetry. By applying double-stick tape to the tabs and aligning the center lines of both the base page and the rainbow, the piece is forced to stand upright when opened. This method allows for customization, such as adding a pot of gold or extra scenery to the finished design.
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Sources
- Summary by Intellect · source: How to Make a Rainbow Pop-Up Card | Pop-Up Cards
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