Pull String Helicopter

prusaprinters

<p><strong>UPDATED: v2 - complete rework. Different starter and propeller design</strong></p><p>UPDATED: v1.1 with open string hole - for more accessible string change and eliminating the need of the fifth threaded insert.</p><p>This toys is designed to be more durable than the usual $1-2 toys you can find everywhere, therefore 608 bearing and threaded inserts are needed.&nbsp;</p><p>There are also 3 different sizes of propellers (S, M, L)</p><p>Parts needed for assembly:&nbsp;</p><ul><li>1pcs 608 bearing</li><li>5pcs threaded inserts M3x5mm</li><li>4pcs M3 screws</li><li>1pcs rubber band (I recommend 5mm wide thicker band with around 5-6cm in diameter)</li><li>30-40cm string</li></ul><p>Well, what more can I say… Just assemble it as seen in the pictures and have fun with it!&nbsp;</p><p>All parts are designed to be printed without supports.</p><p>I printed mine in PLA+ and 0.2mm layers.</p><p>As a bonus I included also the first version that is beefier than the final product (see the print file description.</p><figure class="media"><oembed url="https://youtu.be/nrvvPxfqbj8"></oembed></figure>