Bed material

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Bed Materials

Some bed materials work better than others. ABS does not seem to stick to the MDF bed at all. So far I've tried the following with ABS:

  • Electrical tape - sticks, but not well enough to stop warping.
  • Glass - doesn't stick at all.
  • CD-Roms - sticks well, gives a nice surface finish, but tends to warp. Build area is obviously very limited (and circular!).
  • Acrylic Sheet - works! ABS sticks to it quite nicely; I had some warping, but I only used 1.5 mm thick Acrylite FF P99 Acrylic Sheet from Cyro Industries. I've got some thicker stuff to test again as soon as I get my extruder running without the flexible drive.
  • 1/4 inch Acrylic Sheet - works very well. Strong enough to resist warping. Rafts need to be somewhat weaker than the part, otherwise removing the part is very difficult.

Wade 2008.10.01

  • Conductive foam (the kind that you use to ship IC chips I have found works very well and you can reuse it as long as your first layer is not deeply embedded.

Bruce W 2008.10.07

For HDPE, a good bed is a 'plastic' kitchen chopping board (probably itself made of HDPE). A raft, such as that produced by the skeinforge software, sticks to the bed, provides a base for the product and enables the product to be removed without damage to the bed.

Jon Wise 2008.11.14

  • Blue (Painter's) Tape

A surprisingly awesome surface. Not enough to stop warping, but relatively cheap and very durable. Some brands even work on a heated bed, so long as you do not attempt to peel them off above room temp (don't try, it's icky).

  • Kapton Tape

Another good surface, especially when used with a heated bed. Not so great on the pocketbook, but with proper handling a good investment.