The end of the first quarter marked higher prices for polyolefins and relatively flat pricing for nearly all other resins.

3D printing has made it incredibly easy to produce small runs of plastic parts ... and modeling clay to create a volume where the second side of the mold will protrude in the first side.

With PLA at standard extrusion temperature the plastic barely gets into the mold before solidifying, however. Following this, higher temperatures, different materials (PETG, TPU) and high flow ...