Benjamin Liu

Tensegrity

I simulate and construct tensegrity structures. Built from dowels and fishing line, precise measurements are required to produce stable structures. Careful calculation is needed to derive these measures.

Celtic Knots

Celtic knots are stylized illustrations of interweaving ropes. I write programs to design and edit these knots, which have interesting properties.

Celtic Jewelry and Artwork

Ben Liu September 18, 2017 - 1:38 am October 6, 2024Celtic Knots

I was recently in Maine with family and stumbled upon a store with Celtic knotwork jewelry and artwork. I am hoping to reproduce some of these designs. I also note that some of the artwork has the same ‘problems’ that I observe when trying to draw Celtic knots myself, and…

Steel spacer beads for connectors

Ben Liu July 15, 2017 - 8:45 pm October 6, 2024Tensegrity

I recently realized that stainless steel spacer ring beads could serve as connectors for my tensegrities. I have mostly been using flat washers, but these beads have a smaller outer diameter (at the cost of being thicker). I found an online retailer called PandaHall that sells many types of beads…