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i like the concept but the jigsaw speed control will probably not work with your motor i recommend a router speed controller that is rated up to 15amps like this one (https://www.harborfreight.com/router-speed-control...also the direction the lathe turns could unwind the threading of the floor flange *very dangerous*.On a standard lathe the motor turns counter clock wise towards the tool rest to make sure this doesn't happen.for reference a lathe turns between 250-4000 rpm. Most carving is done in the 250-1000 range while sanding and finishing is done at the higher rpms.
great to here it was helpful. Just out of curiosity why are you making a fiberglass sphere?
Bentwood Rings With Stone Inlay
Im with toga_dan, you would need to break this up into multiple pieces that are bolted together.Because of the scale of your project, I would take inspiration from how they create dome houses / geodesic domes. You can create a ball out of triangles arranged in a pattern. You can find the size and shape of triangle needed with some good old fashion math then make a mold and simply duplicate the part.See the image below for a geodesic ball. https://goo.gl/images/UTxzd2
You can use a tile saw to cut through glass bottles so the concept is possible. It would probably be cheaper to buy a tile saw then moding a bandsaw, only draw back is you can only make straight cuts. Harbor freight has one for about $70 which works just fine ive used it to cut square bottles such as jack daniels in the past and it is much quicker.A few pointers if you end up using the tile saw. -Tape the area you are cutting through with blue painters tape to prevent break out- Make a jig to hold the bottles firmly don't use your handles it is far to dangerous.- Take it slow and add diamond tool coolant to the water to prevent brakes.see link for tile saw i used https://www.harborfreight.com/7-inch-portable-wet-cutting-tile-saw-40315.html
I don't always see your contests but have you had any of the following.Lego Builder Contest- The favorite building material of my 10yr old cousin, id really like to see what people make but more importantly how they communicate the steps in their instrucable. Trash to Treasure Contest- Instrucables that focus on new/traditional ways to recycling "trash" into usable products. Or ways to re purpose what is commonly considered trash.Magnet Mania Contest - they're crazy fun and crazy accessible and you can make a lot of interesting projects with them.Wind- projects that harness or make wind.
Im looking to make a team, or join one in the Los Angeles area. Anyone who would like to collaborate please message me.Goal: Meet and Collaborate with local makers and have fun. I'm not really looking to do this for the prizes as i have pretty much all i need in my shop.Skills: Carpentry, glass/glazing, sculpture, lathe turning, mold making/casting, welding (non-certified) arch/engineering plan drawing, open workshop with most tools we would need, and a couple more things i'm probably forgetting. Skills i don't have: Almost no digital/computer design skills (never really got into it), painting, writing, 3D printing, machining.
Wooden Pen Drives
Ziptie Phone Holder
Pattern/Duplicating Wood Lathe
Star Wars Imperial Guard Helmet
nice addition, id affectionately call that the mad scientist version haha outta curiosity why do you heat it up is heat the catalyst for the reaction?
that reflection is amplified in the photo but that effect does show to the naked eye and gets more defined the the thicker the glass
great info on sand blasting pyrex thank you.
great suggestion sand paper can actually be used in more advanced etching to add shading effects.
thank you and yes the grit I use is between 70-90
if it predates pryrex then most likely it is not tempered. I believe pryrex was some of the first heat strengthened glass manufactured long long ago for use on railroad lights, that kept breaking from the heat of the bulb and sudden cold from rain/snow. Don't quote me on that but I'm pretty sure you'll be okay. If your worried about breaking them I'd recommend using the cream and only doing 1-2 coats to avoid breaking the outer layer. plus the blasting gun can break thin glass just from the force.
End Grain Cutting Board
Turned Bottle Opener...
Mini Wave Model
Hi I am the author of this instructable and would like to clear the matter of etching tempered glass up with you. Tempered glass under goes a heat treatment that causes interior tension and external compression. If the outer layer of compression is worn down too the tension layer (by etching) that tension is released resulting in the piece shattering into many little pieces. I've attached a diagram of a cross section of tempered glass so you can see these layers. While you are correct that you can etch tempered glass' outer layer the danger of doing so is too high and should not be attempted for safety reasons. Please don't advise people to do so.
thanks for letting me know about the link issue. I'll fix those asap. and that's interesting that it's called something completely different in Germany Ill add that to the note section.thanks for your comment if you do make one please post a pic of it I'd love to see it
that's very interesting I've never had this problem but I could see that happening as tile is sometimes a mix of glass and clay. I will add it too the notes section to notify people and hopefully save some sinks.
my projects are an endless source of problems and troubles haha jk I guess that wasn't the best metaphor
of coarse I'm glad to here it helped somebody out hopefully you'll be able to use it next time you etch
You can use glass beads if youd like. but even though glass beads will work and crushed glass will work they will dull significantly faster than the aluminum oxide and work slower because the hardness (moh) of the glass bead is the same as the glass your etching.
thanks :) I guess you could say I use the old school technique of etching. I usually light mine up too with color changing RGB LEDs I plan on making that instructable later. but heres a pic of that sign on the base
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