1/4 plywood or mdf?

This topic contains 12 replies, has 8 voices, and was last updated by Profile photo of Mmmfishtacos Mmmfishtacos 1 month ago.

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  • #32295
    Profile photo of Ed Black
    Ed Black
    Participant

    Getting ready to build one for me and one for my nephew. was goofing around with 1/4 plywood today and it seems really flimsy. what did you use for the frame?

    #32300
    Profile photo of David Walling
    David Walling
    Participant

    Edited my reply: didn’t realize this is the MP3DP forum so it was completely unrelated.

    • This reply was modified 1 month, 4 weeks ago by Profile photo of David Walling David Walling.
    #32301
    Profile photo of Barry
    Barry
    Participant

    Quarter ply should be okay. The side pieces will stiffen it up.

    1 user thanked author for this post.
    #32304
    Profile photo of Ryan
    Ryan
    Keymaster

    You might want to cut 2 extra front and back pieces, those are a bit flimsy, bad design sorry…
    I used mdf but ply should be cool as well.

    #32324
    Profile photo of Ed Black
    Ed Black
    Participant
    You might want to cut 2 extra front and back pieces, those are a bit flimsy, bad design sorry…
    I used mdf but ply should be cool as well.

    No need to be sorry, i cant wait to put them together! That way my kids will stop bugging me to print stuff on mpcnc. Thanks for all the cool designs and sharing them with us. Might just have to do a low rider after these printers are done.

    #32329
    Profile photo of Jeffeb3
    Jeffeb3
    Participant

    I used 1/4″ MDF, but I recently recut the front and back in 1/2″ ply. Makes a big difference. I also made the base, and I think the next weakest spot is probably the upper left and right corners. I was thinking I might just cut corner pieces like 3″ down each side from 1/4″ material.

    It’s all a bit not picky, the thing printed functional parts right away.

    #32457
    Profile photo of Ed Black
    Ed Black
    Participant

    doubling up the front and back made a huge difference with my cheap plywood. I have a good sheet of 1/2 Im going to use for the second one.

    #32721
    Profile photo of Bill
    Bill
    Participant

    I’m going to put a piece of angle aluminum (because I have it already) at the base of the front and back. Mine is acrylic and there’s a definite bow.

    #34455
    Profile photo of Ralph
    Ralph
    Participant

    How did you cut your MDF? Did you use your MPCNC with a router? If so what kinda bit did you use? I’m thinking of using 1/2″ MDF with the Melamine (white) finish in order to avoid painting.

    #34462
    Profile photo of Mmmfishtacos
    Mmmfishtacos
    Participant

    I made a 1/2 inch build. If you do this youll need to counter bore the top screws for the feet in the y direction. If not your thumb screws will hit them.

    #34463
    Profile photo of Mmmfishtacos
    Mmmfishtacos
    Participant

    And actually i just ordered two large 1/2 cutting board from amazon for my new build.

    #34465
    Profile photo of Jeffeb3
    Jeffeb3
    Participant
    And actually i just ordered two large 1/2 cutting board from amazon for my new build.

    Wood, or HDPE?

    #34466
    Profile photo of Mmmfishtacos
    Mmmfishtacos
    Participant

    Hdpe

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