Unisub Sublimation Rectangle 30 Piece Puzzle Blank 6.88" x 9.84" - 4742

These hardboard jigsaw puzzles come ready to sublimate without film. Small parts, not recommended for children. Makes a great photo gift!

Download free sublimation template


  • SIZE: 6.88" x 9.84" (175mm x 250mm)
  • SUBSTRATE  Hardboard
  • THICKNESS0.125" / 3.17mm
  • FINISH: Gloss
  • COATING: White

Volume Pricing 

  • Pack of 10 Blanks          $8.46 / Blank
  • Pack of 20 Blanks          $7.85 / Blank
  • Pack of 30 Blanks          $7.23 / Blank

Materials needed

  • Unisub Puzzle Blank
  • Sublimation Printer
  • Heat Press
  • Heat Tape
  • Cleaning Cloth
  • Blowout Paper
  • Printed Transfer
  • Printing RIP Software
  • Heat Gloves
  • Scissors
  • All-Purpose Cleaning Fluid
  • Bender Tool (sold separately)

Step-By-Step Guide

  1. Turn on your heat press. Set the temperature to 400°F / 205°C (temperatures based on prints made with small desktop sublimation printers). Add a sheet of protection paper (blowout paper) on the bottom plate of the heat press.
  2. Clean the surface with all-purpose cleaner, a cloth, and compressed air. Put your printed transfer face-up on a flat table. Put your blank gently face-down on the printed transfer. Add heat tape on both sides of the item.
  3. Add everything in the center of the bottom plate of the heat press. Be sure that your printed transfer is face-down on the bottom plate. Add a layer of blowout paper or Endura on top of your printed transfer. Set the correct temperature & time (see below). Close the heat press so the sublimation process starts.
  4. When the sublimation process stops, remove immediately the transfer paper and allow the product to cool down.

Attention: the item will be hot, so wear protective heat gloves.



Time (min)

Hard Board Puzzle



*The stated sublimation times are only valid for prints made on small desktop sublimation printers.

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