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3D printed Chaparral 2J

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  • 3D printed Chaparral 2J

    Just saw this on Slot Car Today, a Spanish site that covers current slot car news:

    http://www.slotcar-today.com/en/noti...roval-4428.php

    Admins, take this down if you wish, but this is huge news for the slot car community and should be covered by SCI.

  • #2
    Thanks for posting this. I'm a Chappy nut and ordered one this morning

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    • #3
      I love Chappys, the 2E being my favorite but I've got to say that 2J is plum ugly.

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      • #4
        I have wanted one of these for so long, it's about time. 3D printing makes things like this possible, no need for expensive molds. Thank you for sharing the exciting news!!

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        • #5
          Never said it wasn't ugly lol! I still love it!!

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          • #6
            Oh boy !! Slot cars we can race on the ceiling !!

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            • #7
              It may sound a silly question but I couldnt see anywhere on the page where I could order the finished 1/32 car - can someone point me in the right direction Id love one to add to all my other Chaparrals many thanks in advance

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              • #8
                "More information can be found at http://www.cgslotcars.us "
                Click on the link and all the options are right there labeled "LATEST NEWS"

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                • #9
                  Nice work, and in collaboration with Jim Hall; that's pretty cool!


                  Allan

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                  • #10
                    Interesting - I wonder what the surface resolution of the bodyshell will be like.

                    I've done many 3D printed cars and I've yet to find a 3D print technology that's both strong and good finish for bodyshells. Chassis are much easier.

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                    • #11
                      I have to agree about the surface finish, having a couple of there chassis, the surface is textured. OK for chassis, but if the body is the same it would need some finishing.
                      We wil just have to wait and see.

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                      • #12
                        there are plans to construct this car at home (body) you just need to add a chassis. probably save you 160.00 in comparison.

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                        • #13
                          I have built one from Platicard and then moulded and cast it.
                          Cost was not very much but it does take time.

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                          • #14
                            Originally posted by choc-ice View Post
                            Interesting - I wonder what the surface resolution of the bodyshell will be like.

                            I've done many 3D printed cars and I've yet to find a 3D print technology that's both strong and good finish for bodyshells. Chassis are much easier.
                            That's a very good point!
                            The body is constructed from a different method than the chassis.... The chassis is done at shapeways.... So shapeways is basically a laser that shoots into a bed of plastic powder... It is melting tiny balls of plastic together - so of course there is trapped air, a bumpy finish..... And painting that part is extremely difficult.... Very fine detail gets lost.... I have seen people doing bodies - but they take them and cast them for resin bodies etc....
                            Plus shapeways runs the mail order service where my chassis can be purchased etc.... So if you have seen a shapeways product - the body is nothing like that....

                            The body is done through a completely different process.... There is still a laser - but it shoots into a bath of liquid resin.... Being liquid - it doesn't trap air and can capture extremely fine detail. Once it's printed - it cured under a uv light..... For 3D printing - it's as cutting edge as it gets. The underside surface isn't perfect - because the printer builds a lattice support structure as it moves up - but the top side or "A" surface looks just like a typical injected molded part... The material is high impact ABS - I would hate to see one go on the floor - but it should survive without cracking or chipping out material.

                            The problem with all 3d printing in detail - is the layering.... As the model builds upward - any surface that curves as it goes up is built in very thin layers so you can see some ridges..... So again - this printer is the latest greatest gadget on the market.....has the finest micron resolution as it gets..... When you look at the raw part - that curved surface seems dull - the layering is super small....Etc.... I washed the part and hit it with one coat of primer.... I could see 2 ridges holding it 4 inches away.... My "finished" prototype took under an hour to finish with paint and decals.... An average modeler will not sink much time into the body to finish...

                            There is a team of "experts" behind this thing.... I don't understand half the stuff they are telling me, but it's at a level of quality that is second to none - it's made with the latest technology.... I wouldn't have done it otherwise.... Who needs that kind of grief!

                            And yes - I would agree that it is ugly.... Yet so beautiful at the same time.... It's iconic and revolutionary in so many ways - from the godfather of ground effects..... have a happy 4th!

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                            • #15
                              Is there a 2D in the makings?????

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