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Otto Mecanum I wanted to build a 4wd Otto with mecanum wheels. I also wanted to try out the Pi Pico W, although it would be fairly simple to use other boards. The Pico W lends itself to control over WiFi so that’s the control route I…
The print in place mecanum wheels were ok, but suffered from the use of PLA for the rollers, which really limited the surfaces that they functioned properly on. I did consider a new self assembly wheel with TPU rollers but discovered that…
Otto-D2 An R2D2 inspired body for the HP Otto Starter kit. Otto-D2 uses all the components found in the HP Robots | Otto Starter - Creator Kit to build a complete Otto-based robot. It can also be used as an alternative body for the HP…
This is a remix of crate and bottles from 'Badger' at https://www.thingiverse.com/thing:21819 with Vectors cube from VectorBits.uk at https://vectorbits.uk/vector-3d-printed-cube-stl-files/ (this site is not currently up). I also added…
I used TPU for the tracks and PLA for everything else. Sprockets are fitted in the same was as standard HP Otto wheels. For the idler, pass the hub through the HP Otto body, slip on the washer and then push fit the idler wheel on to the…
Sets of 48mm mecanum wheels can be found on amazon, ebay and aliexpress I printed 0.2mm 20%infil PLA The wheel adaptor may be improved by printing with support for the servo horn recess. You may prefer to trim the servo horns to fit the…
Constuction Otto 👷 Construction Otto has a lifting mechanism terminating in a universal tool mount. A variety of different tools can be used with this mount Included here are a scoop, a bulldozer attachment, a snow plough, a roller and a…
HP Otto: Otto Bus Otto Bus uses all the components found in the HP Robots | Otto Starter - Creator Kit to build a complete Otto-based robot. It can also be used as an alternative body for the HP Robots | Otto Starter Santa Edition and the…
The Freenove Hexapod Robot Kit is an excellent value hexapod kit that can be controlled from PC or phone or a supplied rf controller. It is available from ebay or amazon or aliexpress. Here's the Amazon UK link…
The mouth is an 8 x 16 I2C led matrix sourced directly from freenove (it is the one they use in their ant robot among others), order from [email protected] There is something similar on the Otto DIY website…
I used PLA with 20% infil 0.2mm The lower arm assembly needs supports. 2 copies of the upper arm are required. The end with an 'F' embossed on it pushes into the scoop If you have line followers, you need to remove the securing screw from…
Otto Flip Otto flip has a servo controlled arm that uses the power of an elastic band to flip a ball. A continuous rotation servo rotates a cam that tensions the flipper and then releases it. Additional parts An HP Otto 'servo wheel'…
Replacement old school/steampunk key caps. I achieved best results by printing face down and adding a colour change just before main keypad body starts to print. Sadly, I don't have a logitech MX Mechanical to try them on so I asked…
Two extra pieces to extend the Azul-mini playing tray for 5 players. Print the original and then add these for 5 players. https://boardgamegeek.com/thread/1918112/5-player-game
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