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Old 11-13-2014, 03:56 PM   #21
agrasyuk
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Originally Posted by Hempstead View Post
Lowest resolution output of my SLA printer.

Left, the real one, brand new. Middle, lightly sanded, and glass bead blasted. Right, right out of the printer, alcohol washed. Didn't even bother to go higher resolution. After UV cure, it's hard as nail.

SLA printers are still expensive, ~USD $3,000, and the process is still not ideal. But, they are slowly becoming viable.
They already viable for the appropriate tasks. Mechanical properties of cured materials are also acceptable to a degree. middle part in your pic looks good to make a mold of in case you need more then 1 item.

What really got me was a certain YT video where a genious is raving on how the future is here showing off his awesome printed product - disgusting looking and deformed underdesk wire organization bracket. For fraction of cost couple wire hangers could have done the job. With just little bit more effort one could fab way better looking bracket from aluminum flat bar stock you find in any home depot (or other home improvement store ).
Point - just because it can be printed does not mean this is the best way to go.
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Old 11-20-2014, 07:36 PM   #22
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Quote:
Originally Posted by Hempstead View Post
Lowest resolution output of my SLA printer.

Left, the real one, brand new. Middle, lightly sanded, and glass bead blasted. Right, right out of the printer, alcohol washed. Didn't even bother to go higher resolution. After UV cure, it's hard as nail.

SLA printers are still expensive, ~USD $3,000, and the process is still not ideal. But, they are slowly becoming viable.
Since we are comparing knobs I thought I would throw mine in for examination. Notice the smooth silky features. Well defined yet not overpowering. A thing of beauty. Not everyone has a knob like this knob because its mine and only mine.

Calm down everyone. Lets not get hot and sweaty over my knob.

So this is an example of what my mill and lathe can do (when I have dimensions). All I need to do now is drill and tap the set screw and airbrush a few coats of acrylic "Aircraft Interior Black" OR I could use it as a master and cast a few more without going to the trouble of making another one on the mill.
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Old 11-21-2014, 05:35 AM   #23
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"(when I have dimensions)" this will be your greatest challenge not all of the knobs specs are available.
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