Just to add something that @DaveR and @paddyclown forgot to tell you: If you start a new model from an existing template, length snapping will be turned on again.
To prevent this you can make your own template. Just open a template thats appropriate for your metrics. you can then change a lot of things ( for example turn off length snapping and set the display precision to your likings).
Then, before you start moddeling you do a File - Save as Template. You can give it a name and desciption, make sure that “set as default template” is checked, and Save. Simple as that. You can make as many templates as you want but only 1 can be default offcourse so make sure to uncheck that if you make one that you don’t want to be your default.
For example my default one is set up for moddeling things to be 3D printed, but I have one more that I use for woodworking models…
In case this was not mentioned yet, just a reminder … always draw on the ‘untagged’ tag/layer. Once you changed a part into a group or component, you can/should move it to a specific tag/layer.
In Acad terms… Groups act a bit like blocks in acad, they are saved inside the model and are unique, so if you edit a copy of the first block, the first block wil stay unchanged. Components act a bit like wblocks in acad, they are saved inside the model, but you can easily rightclick and save them as a seperate file if needed. Also if you edit a copy of the first component, you will also change the first component. Once you made a component unique, you can edit one without editting the first.
Resume…
Groups: best for a single or simple ‘blocks’, edit one will leave the others unchanged!
Components: best for repetitive or complicated ‘wblocks’, edit one and all others will be changed accordingly!
This might also help preventing getting unwanted rectangular lines in faces while editting parts that are connected to them.
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