We’ve noticed a trend lately that advanced 3D printing people are calling their normal print setup as 2.5D, not 3D. The idea is that while the machine has 3 axes, the actual geometry generation is typically only in the X and Y axis. The Z axis simply lifts up to the next layer unless you are working in vase mode. [Teaching Tech] wanted to experiment with real 3D printing where the Z axis actually helps build the shape of the printed object, not just advancing with each step.
As it turns out his first investigation linked back to one of our early posts on the topic. There’s been more recent work though, and he found that too. It took a little surgery to get more Z clearance, but nothing too serious — just a movement of a fan.
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Casio — the company famous for calculators, watches, and calculator watches — is touting a 2.5D printer. We aren’t sure we are impressed with the marketing hype name, but it is an interesting innovation for people prototyping new designs. The printer can create material that appears to be leather, fabric, and other materials. With some additional work, the printer can even mimic hard materials like stone or wood. You can see a video about the machine below.
The Mofrel printer uses special “digital sheets” that appear to be thick paper or PET plastic, but are really a sandwich of different materials. When you heat an area of the sheet, particles inside the sandwich expand allowing the printer to apply a texture.
Continue reading “2.5D Printing?”