Mason jars have standard sizes, standard depths, standard thread size. They are either regular mouth (2 3/8" inner diameter, 2 3/4" outer diameter for jar mouth) or wide mouth (3" inner diameter, 3 3/8" outer diameter for the mouth). The only specification necessary to identify a mason jar lid is the size of jar mouth it is designed for.

					Steve McDonald
					[log in to unmask]

> -----Original Message-----
> From: Code for Libraries <[log in to unmask]> On Behalf Of charles
> meyer
> Sent: Wednesday, April 3, 2024 6:06 PM
> To: [log in to unmask]
> Subject: [External] [CODE4LIB] Modifying Mason Jar Lid
> 
> My esteemed listmates,
> 
> I found  a mason jar lid on Thngiverse.
> 
> https://www.thingiverse.com/thing:3468220
> 
> A patron needs these specs
> 
> Top of lid:  i ¾ inches  O.D.
> 
> Bottom of lid: 113/16 inches  O.D.
> 
> Depth of lid:  9/16  inches
> 
> But, Tinkercad doesn't measure in inches and I'm not even sure Timkercads
> could achieve that kind of specificity?
> 
> Meshmixer is an amazing prgmnra that I haven't mastered yet.
> 
> What free program would you use to create this with such detail?
> 
> Thank you,
> 
> Charles.
> 
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