I just finished designing a 3 ways to reuse cardboard spool cores! check out my model so you can reuse them and save money

this is a blowgun i designed for the spring fun challenge

I made a boat themed wind spinner. And this is the final version.#Windspinner #Contests https://makerworld.com/en/models/2732107-boat-paddle-wind-spinner#profileId-3028283