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  • awawawaw made the instructable AT-ATrinket - a Star Wars Trinket Box1 day ago
    AT-ATrinket - a Star Wars Trinket Box

    Very nice work, thanks for the CAD file!!! That really made this project easy to replicate. I imported your file into Visio, modified it to be a little smaller (side of the body is 7.6" long), and re-adjusted for 1/8" acrylic. Had to make the same edit for the bottom neck piece as NEIN mentioned, since it had lines to cut it in to four pieces, but otherwise, I love it! Attached pics are one I made from some leftover blue acrylic. I changed my raster settings for the engraved lines so not all of the detail stands out. The clear is cut from "50 cent each 8" square scraps" from my local Tap Plastics, and it took 5 pieces, so material cost was $2.50. On my Epilog 75 watt laser, total time is 43 minutes for all rastering and cutting. Assembly is pretty easy, but I f...

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    Very nice work, thanks for the CAD file!!! That really made this project easy to replicate. I imported your file into Visio, modified it to be a little smaller (side of the body is 7.6" long), and re-adjusted for 1/8" acrylic. Had to make the same edit for the bottom neck piece as NEIN mentioned, since it had lines to cut it in to four pieces, but otherwise, I love it! Attached pics are one I made from some leftover blue acrylic. I changed my raster settings for the engraved lines so not all of the detail stands out. The clear is cut from "50 cent each 8" square scraps" from my local Tap Plastics, and it took 5 pieces, so material cost was $2.50. On my Epilog 75 watt laser, total time is 43 minutes for all rastering and cutting. Assembly is pretty easy, but I found the trick is to assemble everything with blue masking tape to verify fit and orientation. It helps figure out which way each piece should go as well since certain pieces do have a specific direction even though they look symmetrical. The blue one took roughly 2 hours to assemble as I figured things out. The clear one (my second attempt) only took about an hour to put together since I knew the tricks. I used superglue on the blue but an acrylic solvent cement on the clear (which was much easier). I used 4-40 hardware since I had it laying around.

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  • awawawaw commented on Mixed Output's instructable Laser Cut Solder Fume Extractor3 months ago
    Laser Cut Solder Fume Extractor

    Nice design for a simple fume extractor. Since I have some spare muffin fans and access to a laser cutter, I may make some of similar design to donate to the local hackerlab.As for comments about lead and soldering, there are many misconceptions regarding the danger of lead exposure from soldering. Much of the confusion is drawn from the concept of Lead Oxide (CAS # 1317-36-8) which is what forms on the surface of molten lead when it comes in contact with oxygen in the air. However, the risk of lead oxide formation is very low when under 500C. Since tin/lead alloy soldering usually occurs with irons with tip temps around 350C, the risk of "lead fumes" is extremely minimal during soldering. The greater concern is with the fumes from the flux. One should always familiarize thems...

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    Nice design for a simple fume extractor. Since I have some spare muffin fans and access to a laser cutter, I may make some of similar design to donate to the local hackerlab.As for comments about lead and soldering, there are many misconceptions regarding the danger of lead exposure from soldering. Much of the confusion is drawn from the concept of Lead Oxide (CAS # 1317-36-8) which is what forms on the surface of molten lead when it comes in contact with oxygen in the air. However, the risk of lead oxide formation is very low when under 500C. Since tin/lead alloy soldering usually occurs with irons with tip temps around 350C, the risk of "lead fumes" is extremely minimal during soldering. The greater concern is with the fumes from the flux. One should always familiarize themselves with the SDS sheet for the flux in the solder they are using to determine appropriate ventilation requirements. A high tolerance for noxious fumes does not negate their negative effects to your health.(disclaimer: 26 year Process Engineering professional in Electronics Manufacturing with responsibilities in establishing safe soldering practices according to industry standards, OSHA guidelines, and just plain common sense)

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  • Portable 12V Air Conditioner --Cheap and Easy!

    Sorry for the delay, just saw this in my email connected to Instructable that gets flooded and I finally started cleaning it up. It worked really well, but as you suggest, the ice only lasted about 9 miles of my 13 mile commute, so it really only allowed me to survive for half the drive, before I had to at lesat crack the windows for airflow. The 86 Accord was retired a year ago as my daily driver, but still have the cooler setup in the shed. Saw it today and actually thought about tossing it....then I saw this question in my email. Funny

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  • awawawaw commented on Team_Panic's instructable Cheap Arduino Combat Robot Control11 months ago
    Cheap Arduino Combat Robot Control

    Very nice! Well done instructable and nice little beginner antbot design. Thanks for including all sources so that others can easily replicate the design. I have a pet peeve against instructables that "use a motor from a printer I had laying around" that makes it difficult to copy.The only suggestion I have to mention as an "upgrade" would be to reduce weight by cleaning up wiring, etc, and then re-add that weight in strategic locations (lip of the wedge, at each wheel, etc) to improve it's attack capability.Thanks for the extra motor information as well. Sometimes, what seems so complicated for someone looking to make their own can easily be explained by someone like yourself, but is not always clearly communicated. Your motor info is clear, concise, and helpful.

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