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3D Printing for Architects with MakerBot by Matthew B. Stokes

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MakerBot Replicator 2X limitations

MakerBot is considered the leader in consumer 3D printers; however, FDM/FFF technology still faces many limitations, including stepping, precision, time, and supports.

Stepping

Physical steps between layers are caused by having to slice the model and use a 2D cross section to print each layer. Stepping on curved surfaces is the most noticeable feature, but this will also occur on any surface where, looking normal to the z-axis, we see an angular increase or decrease in the cross section. In general, lower precision will cause more prominent steps between layers, but can reduce print time, freeing up machines, and increasing throughput. Stepping can been seen in the following image:

Stepping

Precision

Precision is ...

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