Algodoo

This is really great for a first-time scripting scene! The arm/cylinder holds together well, but in future projects you might find that you want to limit minimum and max lengths of springs. You should try using an IF statement to limit things, try putting this on the refresher that makes the spring longer:

(e) => {scene.my.x >= 3.01 ? {scene.my.x = 3} : {scene.my.x = scene.my.x + 0.05}}

and

(e) => {scene.my.x <= 0.99 {scene.my.x = 1} : {scene.my.x = scene.my.x - 0.05}}
(for shortening it)

cool but a bit to simple but its ur first so ill rate 7/10

Simple but efficient. 8/10

since the rating increased per comment i will rate 9