The Woodshop Shed

adventures in woodworking and home maintenance, from my shop in an oversized backyard shed

October 2020
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Yeah, yeah... another "inappropriate" Laser Puzzle

Furnished content.
(from Lumberjocks.com)


Yeah, yeah... another "inappropriate" Laser PuzzleBoys and Girls,I tried to warn you in the title, so all you masochists read on.Looks like this bloody C19 has taken another scalp and this time literally.
After 6 months of hibernating with the compliments of self-isolation, it was costing me a small fortune in hair shampoo per wash and decided it was time to get some red on my neck from the sun (I live with the 'billies of downtown Churchill)
To cut a long story short, the lady-barber's hubby just inherited a new used laser without instructions. During the mandatory hairy/client conversation, one thing led to another and after my ears were put back on, I bestowed upon her and hubby an open invitation to my place for some basic lasering education.Was lying in bed one Sunday morning and my talking doorbell announced a visitor(s)

No such thing as a Duck's tail without digression...
For all those out there thinking I'm a
overly security conscious with two locks… wrong, only a tad. The digital doesn't lock from the inside which is not ideal when away from home for prolonged periods… if we ever get a vaccine. Now back to the topic…Expecting a Jo'Wi' (remember, doorbell ringing), I had my string of garlic around the neck and dressed in my Satanic jocks with horns, I answered the door.
It turned out to be my hair-cutter and her hubby cannot call her a hairdresser as all she did was give me a #3 buzz cut that should prepare me for another 3 more waves of C19
Unfortunately I couldn't refuse entry as she had a key to my front door a cask of cheap vinoStill keeping to the short story, they were attracted to my laser cut puzzles and ever obliging, thought we'd spend the day going through my go-to-whoa routine.
To my surprise, the hubby had a working knowledge of SketchUp, it's a small world.
I decided on a low number of pieces puzzle so as not to overly intimidate them, however, didn't want to duplicate any existing puzzles… boring!
I don't know why, but somehow I gravitated to corelz125's projects as I had already plagiarised one of his items and came across his Little puzzle box, which I ignored, but it had a link to the original URL, which I also ignored, but eventually found this puzzle.By this time the cask of vino was quickly depleting and the sun started to set over the meter arm (no imperial here) so I bid them a French Moses (ajew) and promised to follow it up.Now… some day(s) later We have this follow up
Imported the drawing into SketchUp

which I trace over,

and created the 3D puzzle,

Note, the 6mm MDF was laminated (using alignment dowels) as my laser cannot cut 12mm MDF.
Followed the bouncing ball through to the laser,

before taking the pieces down to the workshop (ok. eagle eyes, above pic already in the 'shop)

To prepare for the glue-up, I needed some dowels and rather than Manwell, I turned to Otto and cut the dowels on my cordless bandsaw

and using them, laminated

flush cut the dowel ends,

Some weren't that flush, so they were chiselled,

Off to my upside down ROS No, not cause I'm in Australia (and it's NOT a bloody upside down picture), mounted in the vice for easier sanding,
Can't blame c125 as he only led me to the site, but that mongrel author (not c125) could not make me solve it as he had no instructions posted
For a 3 piece puzzle, what I thought would be a 1 minute exercise, turned into an embarrasing 15 minute battle,

but I
Rocky'd it,
Off to the buffer and went through my traditional tripoli, white diamond and carnauba wax cycles. The first two waxes have cutting compounds in them so the further polished the MDF pieces and the last wax gave it a brilliant shine… sheer laziness precluded me from tung oiling it, which I sometimes do prior to waxing.No sooner had I finished, I had an impromptu visit from the hubby who left me another cask of cheapo vino and walked out with two of the puzzles I think I lost out on that deal but after the cask I didn't care.Over the last few days they have been walking out the door (I've already made 11 of 'em) shit when lockdown ceases people might even come and pick them up. Hell, I've had very few visitors lately and have 5 left with 7 already earmarked… why weren't my other puzzles so popular… this C19 must be making people bonko!As promised to my guests, I made a video of the process (after the laser cutting). If anyone is interested in the SketchUp model or PDF of measurements, you'll just have to go to the video (and give me a another view stat) and get to it in the comments.This project is ideal for CNC work (as all my other puzzles) and can also be relatively easily scrolled… however, if scrolling you may need to do some filing (can cut a tad oversize for caution) as co-ordinated fit is optimum. Though it can be smaller, however, a loose fit is hard to keep intact.Keep safe jocks (or knickers) or should that have been keep safe, jocks!



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Hand-cranked wood model of 2 crankshafts and 1 piston

Furnished content.
(from Lumberjocks.com)


Hand-cranked wood model of 2 crankshafts and 1 pistonI saw a computer simulation of this mechanism on Youtube and decided it would make an interesting and colorful hand-cranked wood model.I used red oak for the base and 2 main vertical pieces. The moving pieces are made from hard maple, and then dyed with a water based dye.The finished model runs very well, with very little friction.The kids should enjoy this one. A couple times a year with no virus, I take most of my wood toys to public events so the kids can play with them. Usually, I find the adults have as much fun as the kids playing with them :)To see how I designed and built this model, see my woodworking web site.I also made a Youtube video of the model in action, you can use this link to see the video.Thanks



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