Paper crafts
Opening Flower pop-up mechanism project
Four roughly 88 mm six-lobed units have cross-fold guides that shape an opening flower.
US Letter · 4 PDF pages · Print PDF
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- Paper
- US Letter
- Pages
- 4
- File
- Print PDF
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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 — 180 x 128 mm card
- Page 3 — six-lobed flower (4 pieces)
- Page 4 — Assembly instructions
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Opening Flower pop-up mechanism 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
- 2
- Orientation
- Portrait
Four roughly 88 mm six-lobed flower units with cross-fold shaping guides.
From file to finished page
- Cut and score all four flower units, gently cupping the lobes.
- Fold each unit in half and bond adjacent half-backs together, leaving petal edges free.
- Attach the first and last half-backs to opposite card halves near the hinge.
- Close and open slowly to check petal collision and fold direction; glue only after a successful dry-fit.
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.
Direct PDF files by design
Opening Flower pop-up mechanism project (2 files)
- US Letter — print PDF · 4 pages
Page numbers and contents
- Page 1 — Assembly instructions
- Page 2 — 180 x 128 mm card
- Page 3 — six-lobed flower (4 pieces)
- Page 4 — Assembly instructions
- A4 — print PDF · 4 pages
Page numbers and contents
- Page 1 — Assembly instructions
- Page 2 — 180 x 128 mm card
- Page 3 — six-lobed flower (4 pieces)
- Page 4 — Assembly instructions