If you've not come across us before, we're E3D - hi! Trusted by Makers and Manufacturers alike, we specialise in performance-boosting aftermarket products for popular 3D printers - but we're also pretty well known for our fun 3D printer stress tests. We figured it was time to bring these stress tests to MakerWorld. So, if you like a challenge and are looking for a stunning Valentines day model to print then look no further!

If you took part in our previous stress test comps, you'll remember the other designs for their challenging bridging and precariously balanced hearts. For this year's design, we made the decision to 'pivot'.

Without giving too much away, you could say this design is 'revolutionary'. In fact it puts a new 'spin' on stress tests but you better keep your head on a 'swivel' whilst it's building. Give it a 'whirl' and show us how you get on. Now that we've exhausted all possible synonyms, yes this model is designed to 'rotate'. The good news is that it doubles as a fidget toy once it's finished printing, the bad news is …well we’re sure you’ve worked that out by now!

How do I enter and what can I win?
There are three prizes up for grabs, 2 will be randomly drawn from entries on MakerWorld, and the final prize will be awarded for ‘Best Remix’ - bonus points for using Maker's Supply components. To enter the random draw, please comment and leave a picture on this page below. To enter the ‘Remix’ competition simply upload your model as a ‘Remix’ and link to this model. If you're sharing your entries on social media please use the hashtag #E3DHeartSpin so we can re-share your content :). 

Should you be fortunate enough to win one of the random draws, you can choose from the following prizes:

• High Flow ObXidian Bambu Lab HotEnd (X1C, P1P & P1S)
• High Flow HTA Bambu Lab HotEnd (X1E only)
• £100 E3D Store Credit

The winner of the ‘Best Remix’ can choose any of the following:

• High Flow ObXidian Bambu Lab HotEnd (X1C, P1P & P1S)
• DiamondBack Bambu Lab HotEnd (X1C, P1P, P1S & X1E)
• High Flow HTA Bambu Lab HotEnd (X1E only)
• £150 E3D Store Credit

The winners will be drawn on the 21st Feb 2025.

Recommended Print Settings:

You'll most likely be needing a brim (maybe some extra bed adhesion too). Good part cooling is crucial! Tip: If things aren’t going well, you can try increasing your Z-Hop.

If using a different sized nozzle, consider scaling the model proportionally. E.g. for a 0.6mm nozzle, try 150%