One is a Celtic panel of the type shown in thing:2269029; the other two are simple knots with flat sides that can be used as stands. All were output by the program included with thing:2269029. The knots were combined with MeshLab to make tables.

MakerBot

MakerBot Replicator (5th Generation)

Yes

Yes

0.3 mm

The panel, when printed alone, needs no support.

Base 1: A 1,7 knot, phases 90 and 10 degrees, crossover string -++++-, Amplitudes 1,1,0.8, cylinder radius 0.09 - Scaled by 36 in Netfabb studio basic.

Base 2: A 2,3 knot, phases 57.3 and 28.6 degrees, crossover string -+++++-, Amplitudes 1,1,0.8, cylinder radius 0.09 - Scaled by 36 in Netfabb studio basic.

Panel: A 17,15 knot, phases 23 and 4.5 degrees, crossovers chosen to make a Celtic knot, Amplitudes 1,1,0.035, cylinder radius 0.04 - Scaled by 40 in Netfabb studio basic.