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Type: Posts; User: fred_dot_u

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  1. Replies
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    It's not impossible to make such a pulley on a...

    It's not impossible to make such a pulley on a home machine, but the thin parts are at a higher risk of failure. High strength nylon may be a good choice, even perhaps a quality PETG filament would...
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    For a one-off item such as you've described, you...

    For a one-off item such as you've described, you might want to use an online service such as shapeways and have the part printed with an SLA printer. The results will be microscopically smooth and...
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    for something that fits a standard bicycle chain,...

    for something that fits a standard bicycle chain, you won't get off the starting blocks. Bending will not be a factor, shear on the teeth will turn your sprocket into an idler wheel, or simply a...
  4. From my recent search results, I would expect...

    From my recent search results, I would expect that what you have is not a 3D laser printer, but a laser engraver/cutter. The marketing division of that company is clearly out of touch with semantics....
  5. The first sequence you performed created a raster...

    The first sequence you performed created a raster image, not a vector image. You need to use an intermediate program to convert the scan to vector. A great free program for that purpose, one I've...
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    I get so many email messages from various 3d...

    I get so many email messages from various 3d printing forums, I can't recall where I saw this latest one, but it's about transparent ABS plastic, just about what you seek. ABS can be a little finicky...
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    I'm not familiar with the printer you've linked,...

    I'm not familiar with the printer you've linked, but it looks impressive for the cost. Quite a large print bed and the frame appears to be a well designed structure. You want a stiff frame and if...
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    Yeah, it does look like programming, but it's far...

    Yeah, it does look like programming, but it's far easier than it looks. Using a 3D scanner means a good bit more work. I've had experience with three different versions of 3D scanners and the ones...
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    Curious Aardvark has the right idea. The amount...

    Curious Aardvark has the right idea. The amount of time involved to learn a scanning program and hardware would enable you to become a genius in so many different CAD programs. Like CA, I endorse the...
  10. Did you use the repair feature of Inspector? Many...

    Did you use the repair feature of Inspector? Many times when a model has as many errors as indicated in the image you've provided, the repair feature completely destroys the original design. If you'd...
  11. You may have a non-manifold model. Consider to...

    You may have a non-manifold model. Consider to open it in Meshmixer and use Analyze/Inspector to see what is presented. Rhino isn't the "usual" 3D modeler for 3D printing and may not prevent you from...
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    Having held a couple SLS printed items, I can...

    Having held a couple SLS printed items, I can attest that the surface appears granular, but the "granules" are so small that it's challenging to sense this with fingertips. Perhaps under a magnifier...
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    The part that I have is also commercially...

    The part that I have is also commercially produced and is, as noted, SLS printed. I don't think that the "commercial" aspect is a valid reason for rejecting the process. The surface grain is quite...
  14. If you are creating the map using the method of...

    If you are creating the map using the method of extruding a polyline drawing, you can use an offset feature to reduce the outside by the desired amount. I'm barely literate in Adobe Illustrator, but...
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    This fellow appears to have posted a nearly...

    This fellow appears to have posted a nearly identical question to Stack Exchange for 3D printing. The part is likely printed in nylon via SLS. I have a part that I know is created in this manner and...
  16. Thread: Lithophanes

    by fred_dot_u
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    609

    A free program that is capable of creating...

    A free program that is capable of creating lithophanes is OpenSCAD. Consider to use the search terms "OpenSCAD lithophane" to discover that there are many resources to assist you in the creation of...
  17. Of the 8 items on the accessories page, I saw...

    Of the 8 items on the accessories page, I saw nothing of critical interest. The library printer is still running fine on the original nozzle, although the PEI bed was worn out after about a year. We...
  18. A can of denatured alcohol is useful for cleaning...

    A can of denatured alcohol is useful for cleaning the bed, to ensure good bonding of the print. The kit arrives with all the tools needed to assemble, plus the cable (I think). You may want to pick...
  19. If you've decided on the Prusa, it is a good idea...

    If you've decided on the Prusa, it is a good idea to read thoroughly the assembly pages on his web site, which occasionally include videos. This will help you beyond the printed manual, as the web...
  20. It's time for me to dust off my Prusa hat once...

    It's time for me to dust off my Prusa hat once again.

    Even though you want an out of the box printer, consider to save a few dollars to purchase a Prusa kit, rather than fully assembled. The new...
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    Poll: I like to make mistakes too. It's better if the...

    I like to make mistakes too. It's better if the mistakes could be small but the learning experience will be large. It's even better if the mistakes aren't repeated, but as time passes, it's easier to...
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    Poll: If your objective is to create a prototype mug,...

    If your objective is to create a prototype mug, you could 3D print the model, ideally without undercuts, then use the model as the "plug" for a silicone mold. If the mug has a handle, that would...
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    Poll: I was intrigued to read in the notes for the mug...

    I was intrigued to read in the notes for the mug press that the pressure to ensure a good print would require that the foam pads surrounding the mug be expanded (bulge) to the mug top and also to...
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    Poll: Would 110 deg C plastic hold up to a 204 deg C...

    Would 110 deg C plastic hold up to a 204 deg C heater for 3 minutes?
  25. The scanning of the model will be one challenge....

    The scanning of the model will be one challenge. You'd have to find a hobbyist with a quality scanner, or someone using photogrammetry to do the conversion from multiple photos to digital model....
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