Paper crafts
Icosahedron Net paper construction project
Match the E-labeled edges across twenty triangular 38 mm-edge faces to close an icosahedron.
US Letter · 5 PDF pages · Print PDF
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- US Letter
- Pages
- 5
- File
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Print the matching Letter/A4 edition at actual size (100%). Measure the 50 mm bar before cutting; trial-fit the parts with your chosen material.
See what is on each page
- Page 1 — Assembly instructions
- Page 2 — panel with attached tabs (12 pieces)
- Page 3 — panel with attached tabs (8 pieces)
- Page 4 — Assembly instructions
- Page 5 — Assembly instructions
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Icosahedron Net paper construction project / 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.
Printing, file details and help
About this file
- Instruction pages
- 3
- Orientation
- Portrait
20 individually labeled faces with 38 mm panel edges.
Matching E-labels are derived from one shared 3D vertex model. Join every matching edge pair to close the solid.
From file to finished page
- Cut all labeled faces with their attached tabs. Keep the assembly map as a separate reference.
- Score each tab hinge and join matching E-labels. A tab-bearing edge mates with the same label on a face without a tab.
- Begin at F01 and build neighboring faces gradually, letting seams set. Do not cut a panel into smaller triangles merely because the map shows edges.
- Join all matching E-labels to close the solid. No open cap pattern is supplied.
- Record actual closure and any gap. This is a paper geometry model, not a load-rated dome or a fabrication file for other materials.
Printing and use notes
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.
SVG downloads contain a fixed image of each PDF page. Text and shapes in the SVG are not separately editable; use the PDF for searchable text. These files are not certified cutting-machine exports.
Direct PDF files by design
Icosahedron Net paper construction project (2 files)
- US Letter — print PDF · 5 pages
Page numbers and contents
- Page 1 — Assembly instructions
- Page 2 — panel with attached tabs (12 pieces)
- Page 3 — panel with attached tabs (8 pieces)
- Page 4 — Assembly instructions
- Page 5 — Assembly instructions
- A4 — print PDF · 5 pages
Page numbers and contents
- Page 1 — Assembly instructions
- Page 2 — panel with attached tabs (12 pieces)
- Page 3 — panel with attached tabs (8 pieces)
- Page 4 — Assembly instructions
- Page 5 — Assembly instructions