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  • More is better! Mendel90

    Every self respecting 3D printing guy has to have built his own 3d printer. By buying a kit from china I felt like that was cheating. So after looking at some printer designs I decided to go with the Medel90 by Nophead. Since it is fully customizable and can be built with simple tools and someMDF board.

    So I went to the hardware store to get a piece of MDF 12mm thick and a bunch of screws, some smooth rod, threaded rod, nuts and bolts. Once at home I fired up my 3d printer to print the needed parts starting with the frame blocks. To cut and drill the plates I printed the design on multiple A4 using Adobe Acrobat reader in poster mode.

    Drill hole design Frame setup

    Next I started on the axis, again I needed printed parts and I cut the rods to length and started mounting the Y-axis. Slowly I started to realize I needed motors to make this thing do anything at all and luckily our primary source of cheap stuff did not let me down. I bought 5 nema 17 stepper motors from a German warehouse with a torque of 6 kgcm for only €56,- and the best thing was they arrived that same week!

    axis_build Y carriage

    Now for attaching the threaded rods to the z-axis motors I needed couplers, which I did not have at hand and since ordering them from china takes 3 weeks I decided to make my own. It was a good way to test my new mini lathe :D

    coupler_lathe

    Thanks to my father in law I now have a simple tapping set as well, which I used to tap the holes with.

    stepper_motors mounted carriage

    The next problem I faced was that I did not have any enstops that fitted the design, I did however have some optical endstops laying around so I used 1 of those. Be careful when connecting them though my melzy board for some reason supplies 12V to the endstop V+ pins and I fried one endstop by hooking it up to that. So after a bit of pcb trace cutting and a bodge wire 5V was where it is supposed to be and….. I decided to only use 1 optical endstop :D because I found some tactile witches on an old mouse which where a bit smaller but by printing an adapter they fit on the original design like a glove. endstop_adapter

    After adding some wires I could finally test if the thing moves at all and what do you know it works and even homes! So thats is my progress up to now, I still have some work to do with the hotend and cleaning up the wiring but I hope to post a first print soon!

    initial wiring net entry

  • Need some 3D printing done?

    Yess, my very own 3D Printing hub is alive! Check it out at 3D Hubs Erik’s Hub

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  • iMac why u no work?

    My iMac…. I am still a bit sad thinking about it, but never give up thats what I say. After a bit of googling I found a service manual of my iMac, which stated that the LED’s on the logic board should give you an idea of whats going on. Since none of my LED’s lit up the guide stated that there might be something wrong with the power supply (that would make sense right?), so I give my Chinese friend Ali a quick look and 60 Euro’s and 1 week later I have a replacement power supply.

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  • 3D Printer madness

    So I decided to buy a 3D printer kit from Aliexpress which is a great site for cheap stuff btw.

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  • Mini kitchen with LED cooking top

    Recently I constructed a wooden play kitchen for my daughter. The kitchen came as a self build package.

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  • iMac hdd replacement

    Last week I replaced my terribly slow harddisk with a brand new Samsung EVO 850 500GB SSD. Since I own an iMac this is not a straight forward as one might think.

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  • VXI11 Ruby

    When working with electronics there is a big chance you need a test setup, This setup often contains big and expensive products like oscilloscopes and signal generators. If your lab has big and expensive devices like this, chances are high that they can be controlled using the VXI11 protocol.

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  • Raspberry PI as Arduino network programmer

    This guide will show you how to program an Arduino connected to your Raspberry PI from the Arduino IDE on your local computer. Linux and OS X for now

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