Marble Run 4

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A new curvy track piece for the marble run (svg here)



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Wiring the Ruida Controller

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The RDC6442G controller from Ruida This is going to be quite an image heavy post describing the rewiring needed to convert between the Leetro controller and the Ruida controller. It is also pretty straight forward on the old Just Add Sharks laser cutters because all of the wires are clearly labelled. The controller was prepared in the previous step in order to make this conversion process as smooth as possible. The Leetro (Pad03) panel on the left and the Ruida panel on the right The view from inside the laser looking up at the control panel The control panel is an easy place to start, both panels have just a single cable that runs down to the controller, both panels are a very similar size, with the Ruida panel being slightly smaller underneath so it will fit in the hole left behind easily. The Pad03 panel clips into place so you'll need to reach up inside the machine to work the clips loose. The cable runs down the inside of the laser and is cable tied onto mounti...
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Knife Box updates

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Duncan  asked for a respin on the  knife boxes  with some slightly different dimensions more suited to his knives, at the same time he wanted to try a sliding lid. This design uses 1.5mm birch to form rails down along the top which is much more reliable than engraving slots. Because the rail is only on two sides it can be made with just the tiniest slither of 1.5mm, which is twice as expensive as the 3mm. It also only adds a small amount to the overall height so it's a nice compromise. I laser cut some cardboard inserts to go into the boxes to hold the knives in place. Duncan sent me the handle shape so I'm not sure how he worked it out but it's easy to see why a laser would be good at consistently cutting a curve like that. I also revamped the originally flappy lid design with the new dimensions, it's a slightly better design for this purpose so this is still the one we're going with.
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Mimic Business Card Holder

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Northants Board Game convention is right around the corner and I'm exhibiting this year so I decided I needed a better business card holder to dish out my little business tchotchke. I found a file for a mimic box that I liked and modified it to come up with this little cutie. He's a very happy chappy, just be careful of your fingers when you're taking a card.  
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