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Home-made sand blaster and modded glass engraving


 
  Engraved illustration is well backlighted with light diodes. In the result picture is much more accurate than the one engraved with Dremel. Processing it with sand several times you can modify the engraving depth. There is possibility of cutting a hole in the glass. To do that, you must drill a hole in a 2-mm steel plate, arrange the plate with the hole in a proper place and process it with circular movements all over the hole area. This procedure takes 3-4 minutes and a bottle of sand. The hole edges come in clean, without chips and splits. You may also cut squire holes.

modded glass engraving


 
   The drawback of the construction is considered the necessity of filling the bottle with sand permanently, but the device is not designed for industrial production. When working in a workplace (NOT IN A FLAT! You’ll never rake the sand out then!) you can gather, sift and use the sand for the second time. You may produce beautiful nameplates. To do that, paste a template of adhesive tape on a polished aluminium plate and process it with sand blaster. Then don’t unstuck the tape and put it into the tube cleaner. This substance represents an acrid natron; aluminium acquires noble white-silver colour in it. Time of processing with the substance is determined by means of trials; after etching, wash the work piece with vinegar solution and then with water. You can get deep grey colour by putting the aluminium into ferrichloride solution for some seconds. Remember that reaction of ferrichloride with aluminium runs rapidly and you must wash thoroughly the work piece with hot water afterwards.

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Non-constructive thoughts about modding...

    All began when one day my neighbour, he is Automatic Control Engineer, came and started to beg me to give him one diode. When I asked him why, he typed modding in a search engine. And it had a great effect on me. I was sick about it. Maybe there is nothing accidental in the world and this modding seed fell into good soil. All my life I was interested in design.


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