Moles, Avogadro's Number, and Atomic Mass Units
I quite enjoyed Chemistry in Secondary School: I think I even did a CSYS course in it. However, I remember always having problems with the concept of a Mole and the calculations surrounding it. I'm no…
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Making Skeletonised Leaves
I decided I wanted to try making some skeletonised leaves. So I did some Googling and decided to try this approach. We went out in the evening and gathered some leaves from the local Shrubbery. Totall…
Knitting Machine: Needle Router Working!
Check this out! https://youtu.be/zFk4xcyWZeI Needle Router v2.1 Demo I've actually had the main design on the whiteboard for a few weeks, but I wanted to play with other things for a bit: This is v2.1…
Making a Copper Leaf and Perspex Lampshade
This is a slightly older project, but since I'm waiting for the new knitting machine design to print, I thought I'd write it up. One of our standard lamps needed a new shade, so I decided to make one!…
Epoxy Resin Casting Attempt #2
I tried the resin again, this time using the vacuum chamber. I mixed it up (using a different glow in the dark colour this time), and cycled it in the vacuum chamber a couple of times. The resin mixtu…
Boiling Water in a Vacuum at Room Temperature
My Vacuum pump and chamber arrived! I went for a Bacoeng 3 CFM Single Stage Oil Filled Rotary Vane Pump (BA-1) and a slightly more expensive tempered-glass-topped 6.8L vacuum chamber. I could have got…
Epoxy Resin Casting Attempt #1
I wanted to try something different so I thought I'd give Epoxy Resin casting a go. I have this cute Greek holiday trinket I inherited from my dad which I felt would make a good test piece: So, to cas…
Knitting Machine: Needle Movement Controller First Test Print
I decided it was time to try out the prototype design! I printed half of the needle movement model to save on time and materials. As a result you need to move the carriage in both directions to see th…
Knitting Machine: Needle Movement Model
I spent some time this evening turning the sketch into a proper Fusion360 3D model, as above. Key features: I've inserted holes for all the M3 bolts I need to use to hold the moving parts together. I'…
Knitting Machine: Needle Movement Controller Design
I've been busy in Fusion 360 this morning. Previously I had mocked up a design for the needle movement controller on my whiteboard: This morning, I've been translating this into a "Sketch" in Fusion 3…