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Found 5 results

  1. Hi all! At the end of June I've visited Fana'Briques, where I saw version 9 of PG52's adjustable spirograph. Based on some pictures I've taken, and some help of PG52 (merci beaucoup! :-) ), I have finally finished a replica of the model: It's very stable and runs very fluently (only requires one M-motor to turn all the gears!). I used a simulator in JavaScript to check if my model did the same as the one at Fana'Briques did. The gearbox of the model also has been created already in Ldraw. Those files can be found here: https://drive.google.com/drive/folders/0B6rVwJJ-wpyRRDNINkdJeUlnTDQ?usp=sharing Happy drawing! Kind regards, Joris
  2. Hey everyone! Finally found some time to shoot a video for my second spirograph. I actually had this finished over a year ago but you know how life works sometimes:) Thanks to PG5200 for describing to me how his V5 works which largely inspired this one. To address the question I get asked all the time at exhibitions "Can you get two going at once?" I came up with this: These are drawn simultaneously, which you can see in the video here: Thanks everyone:) I'll have an LDD file on the way shortly
  3. Hello! I'm a first time poster in the Technic forum, but thought that my inverted spirograph might be of interest. Rather than move the pen, I used a planetary gear setup to move the paper. Different gear combinations give different results, as does the pen position. The pen-holding frame is made up from a lot of 2 x 4 bricks, but the guts of the machine is a hard plastic wheel with internal gear teeth (I'm not sure of the correct name, but this is the part I used: http://www.bricklink.com/v2/catalog/catalogitem.page?id=83393&idColor=11#T=C&C=11). Sadly the spirograph has now been dismantled--my son needed the parts for a Chima vehicle... Enjoy!
  4. Hello! This time I'd like to share my latest project: a drawing machine that is inspired by Joe Freedman's Wooden Cycloid. The LEGO version uses freestanding boxes that can be moved around the turntable. A slight change in position creates a different pattern. Further adjustment is possible by placing the drawing arm onto the different pins on either drive box or changing the position and distance of the pen. Placing one end of the arms further from the center can create a pattern up to 20cm in diameter. The variation possible with this setup makes it almost impossible to repeat exactly the same pattern. Now since I'm a huge fan of psychedelic music and digital art, I wanted to make the video resemble some of the artwork we always see at the outdoor parties. Without giving too much away, I'll let you grab a drink, turn the volume up and enjoy the video! Full write up with more images here. Thanks, Mik
  5. After seeing PG5200's spirographs a couple of years ago and being completely blown away I knew I had to make my own. It was not until some months ago where I realised how it worked and set about making my own. Mine has 6 speed gearboxes on each arm to increase the variations in patterns. Whilst the exterior looks similar internally mine is very different. You could say that it is 'upside down' compared to Pg's as his outputs for the gearboxes are where my inputs are if that makes sense. I did two videos for it, one describing the functions and the other with it looking cool! As seen in the video I have made various attachments for it, one to turn it into A5 size, and the other to create significantly different patterns. Thanks for watching!