Paper crafts

Opening Flower pop-up mechanism project

Opening Flower pop-up mechanism project developed as a measured original paper study. The packet provides the actual parts, joining or shaping marks, drawing dimensions and an assembly sequence. Print at actual size and dry-fit the parts before gluing.

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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 — 180 x 128 mm card
  • Page 3 — six-lobed flower (4 pieces)
  • Page 4 — Assembly instructions

Enter these page numbers in your PDF viewer’s print range. Keep any instructions, matching answers and required project pieces.

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.

Inside this edition

Instruction pages
2
Orientation
Portrait

Four roughly 88 mm six-lobed flower units with cross-fold shaping guides.

From file to finished page

  1. Cut and score all four flower units, gently cupping the lobes.
  2. Fold each unit in half and bond adjacent half-backs together, leaving petal edges free.
  3. Attach the first and last half-backs to opposite card halves near the hinge.
  4. 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.

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Opening Flower pop-up mechanism project