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German Type 212A 3D STL files
 
As supplied, the model will is rendered in 1/72 scale, measuring 797mm in length and 110mm in width. 
 
This model was designed by Randy Sanders. All parts are engineered for fairly easy and straightforward assembly. Part locations are easily identified. Hull sections mate together with holes that you can add stainless steel bolts, or brass pins for added strength and perfect alignment.  

There are reference photos in this .zip folder that show how the hull was designed to split.

German Type 212A 3D STL files

$49.99Price

  • While PLA plastic is quite stable, high heat, such as that generated from a hot sun shining on a black hull, can cause warping in some situations. Extra care will need to be taken with your finished model if you elect to print in PLA plastics. You can also print in ABS, PETG or ASA,  though the finish on the hull will show more striation than the other filaments and printing is far more temperamental. 

     

    The boat is sectioned in such a manner that most printers should have no problem fitting them onto the build plate. If your printer is too small to fit a section, you may need to cut the part and print in more sections. As supplied in 1/72 scale the maximum part height is 110mm.

     

    I recommend a print setting of at least 0.2mm layers with a 100% infill and this should be a good blend of speed and quality. Higher resolution will result in cleaner parts, but much longer print times. Supports should not be necessary.


    Post finishing is a matter of personal preference, as you can easily use the parts as they come off the printer. At the very least, I recommend the use of a high-build primer to help fill in the striations from the printing process. I recommend sanding first with coarse sandpaper (100 grit), followed by fine grit (200), then a coat of high build primer. Sand, prime and repeat.


    Total length once assembled: 797mm
    Total width: 110mm
    Total volume: 792 cubic cm
    This amounts to just almost precisely 1 full spool of 1kg of filament. I would definitely ensure you have some extra on hand in case you need to reprint a part.

  • For the advanced builder, this model builds into a superb RC model. A seven bladed scimitar brass propeller of 50mm diameter is accurate for use with this boat in the supplied scale. We highly recommend the 300 Series EasyDriver for use with this boat.

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