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Thoughts on CAD

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  • Stepside
    replied
    You can "free form" model with Rhino or you can input exact values. It will extrude a 2-D curve/line into a 3-D solid or you can extract a 2-D drawing from a 3-D object. Granted it is not Solidworks but it is not as expensive either. You can draw with Rhino and import the drawing into Solidwork as well as read a Solidworks drawing with Rhino.

    Rhino4 has linetypes, linewidths, sheet layout and dimension styles to allow you to do a complete working drawing from a 3-D object or a drawing that you constructed entirly in 2-D. If you import an AutoCad drawing it will import the lines and layer system you set up in AutoCad.

    It also works well with MasterCam and many other CAM programs to write toolpaths. Some of the CAM programs are "plug ins" in Rhino and allow you to change geometry and regenerate the toolpath to correct/change designs.

    RhinoV4 print routines support most of the small lasers very well. The mesh tools work well with the 3-D printers in creating "watertight" art work.

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  • Rookie machinist
    replied
    I think solidworks was the best investment in cad I have made. The program is well worth the cost. You dont have to buy the yearly license agremment but it is nice when they have new releases. SW09 requires a good amount of memory to run. I have 8gig of ram and a mid range workstation video card. SW is great if you have the resources.

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  • lazlo
    replied
    Originally posted by BillH
    Just tried Rhino v4. It reminds me much more of 3d studio max than a cad program for machinists.
    It's really marketed like that too: a NURBS (curves) based free-form 3-D modeling tool like 3ds Max.

    Autocad, the person behind this piece of software needs to be beaten.

    Solidworks. I have seen the light, it is a dream come true, one that I cannot afford.
    I've had the exact same experience -- the user interface and flow on Alibre is attrocious. SolidWorks has a 2 year educational license, but apparently the software stops working after 2 years...

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  • BillH
    Guest started a topic Thoughts on CAD

    Thoughts on CAD

    Just tried Rhino v4. It reminds me much more of 3d studio max than a cad program for machinists. I am sure if I spend time with it, it will grow on me. It looks workable.

    Autocad, the person behind this piece of software needs to be beaten. I don't know about you, but I use a piece of CAD software to help with the design process. I don't know how long this line will be, or what this dimension should be, not until everything is nearly complete and finished in the cad program. If I have to enter lengths and dimensions from the very start, then this would mean that the product would already had been designed.. So whats the freaking point of autocad?
    Turbocad... I bought version 9, it is a total piece of crap. It does not do what I want it to do, simple as that. If I have to get out the calculator and do some TRIG to figure out an angle, then your cad program is a piece of ****...

    Solidworks. I have seen the light, it is a dream come true, one that I cannot afford. You make parts as if you were machining them. Now THIS is the best feature of all. You actually can ALTER a part by editing it's dimensions. Drill a hole and countersink it for a screw. Hmm, too close to the edge? Change the dimension leader of the part, make it .250 instead of .200 from the side. Done, works. I can actually slap something together, fit everything together, run an animation and do a collision detection to check clearances. I can use this piece of software in the design phase, and hell, all phases... I am in love with Solid Works. I wish I was filthy rich, I'd buy a lifetime license. This program is bliss.
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