Harbour reply Re: Graupner Optimist 1978 Thanks for the memory jog. I had completely forgotten that I have had an unfinished optimist kit in the loft for 30 years. Time to have some building fun.. ♥ 1 · 973 · 7 years ago Forum reply 3D Printing. It's mostly elbow grease to remove support material or stringing. ABS can be smoothed using acetone vapour but PLA requires chloroform. I don't know where you … ♥ 1 · 219 · 7 years ago Forum reply CNC boat kits...? Which is where laser cutting leaps to the fore with a tool diameter around 0.1 mm. The Cyclone is a pcb cutter which uses a taper-point tool so there is no off… ♥ 2 · 210 · 8 years ago Forum reply CNC boat kits...? Having built (well, assembled really) i am currently building a small CNC router with 3D printed parts. See https://reprap.org/wiki/Cyclone_PCB_Factory. Curren… ♥ 2 · 210 · 8 years ago Forum reply CNC boat kits...? Have a look at the Banggood website. They are selling A3 sized laser cutters for less than £200. it is sold as an engraver with a 2500 mW laser but this can be… ♥ 2 · 210 · 8 years ago Forum reply CNC boat kits...? Our local Makerspace has just acquired a laser cutter. The accuracy and clean nature of the cut are breathtaking. The edges are razor-sharp and the cut width i… ♥ 2 · 210 · 8 years ago Forum reply Port holes Well, he's 3D printed so I can scale him as needed. Scaled at 80 percent he turns out around 1/24. Scale it to around 55 percent and that should give you 1/32. 343 · 8 years ago Forum reply Inspiration for beautiful boat builders ;-) I was working on a contract for Digital Equipment Corp at Unterfoering and was staying at the other end of town at Westkreuz (Gaestehaus im Forum). I've had th… 318 · 8 years ago Forum reply Inspiration for beautiful boat builders ;-) Hi Doug, A phenomenal place, the Deutche Museum. I visited it when I was working in Munich back in '87/'88. I agree with the views on scratch building. it's th… 318 · 8 years ago Forum reply Port holes - 212 · 8 years ago