Viking_Hippie@lemmy.dbzer0.com to Oddly Satisfying@lemmy.worldEnglish · 10 days agoOddly satisfyingfiles.catbox.moevideomessage-square21linkfedilinkarrow-up1154arrow-down14
arrow-up1150arrow-down1videoOddly satisfyingfiles.catbox.moeViking_Hippie@lemmy.dbzer0.com to Oddly Satisfying@lemmy.worldEnglish · 10 days agomessage-square21linkfedilink
minus-squareaeiou@piefed.sociallinkfedilinkEnglisharrow-up15·10 days agoThis is blow molding, more common for soda bottles. Closed-top boats like kayaks are typically rotomolded instead.
minus-squareSteve@startrek.websitelinkfedilinkEnglisharrow-up6·10 days agoSquirt some liquid hot plastic into a closed mold and rotate it to coat the inside while it cools.
minus-squareGonzako@lemmy.worldlinkfedilinkEnglisharrow-up2·10 days agoHow do you control for thickness there?
minus-squarerainwall@piefed.sociallinkfedilinkEnglisharrow-up2·9 days agoLikely amount of liquid and amount of rotation.
This is blow molding, more common for soda bottles. Closed-top boats like kayaks are typically rotomolded instead.
Rotomolded?
Squirt some liquid hot plastic into a closed mold and rotate it to coat the inside while it cools.
How do you control for thickness there?
Likely amount of liquid and amount of rotation.