I’ll break each of these down in a moment, but the rule of thumb is to set Insertion Units to whatever the units are in your drawing. Three variables control how Insertion Units behave, or misbehaves, in your drawing. When correctly configured, AutoCAD will automatically figure out the proper scale when going from inches to feet, Imperial to Metric, or just about anything in between. And that my friend is why we can now set an Insertion Scale in AutoCAD. Is your head hurting as you try to make sense of when to scale objects by a factor of 12, and when to scale objects by a factor of 1/12th? You’re not alone this is a concept that’s confused some of the savviest AutoCAD users I’ve known. A scale factor is necessary when these two worlds collide since one unit in architectural drawings equal one-inch, but equals one-foot in civil/survey drawings. Conversely, unscaled, an object measuring 2 decimal feet in a civil/survey drawing would measure just 2 inches in an architectural/MEP drawing – one-twelfth the intended size. Unscaled, an object measuring 2 feet, or 24 inches in an architectural or MEP drawing will measure 24 decimal feet in a civil or survey drawing – that’s twelve times the intended size. Though each is a form of Imperial measurements, a scale factor of 12 or 1/12th is necessary to exchange drawings inside or outside the building. At that stage of my career, I had not yet learned civil engineering drawings (in the US) are typically prepared in decimal feet whereby building plans are usually developed in inches. Using AutoCAD 2000, I remember struggling to figure out what scale to insert the first civil drawing I received into the MEP drawing I was working on. Veteran AutoCAD users likely recall a time when there was no such thing as Insertion Scale. Though it may seem like a curse, the good news is the counter-spell is an easy fix. Get it wrong, and you’re cursed with a riddle of why AutoCAD objects scale to seemingly random sizes when inserted into a drawing. Get it right, and the results are magical. When this option is cleared, the specified block is inserted without being exploded.The AutoCAD Insertion Scale is a mystical creature. Objects with BYBLOCK linetype use the CONTINUOUS linetype. Objects using the BYBLOCK color are white. As an indication that the block will be exploded on insertion, the preview of the block at the cursor is automatically suppressed. When checked, the component objects in the block are disassociated and revert to their original properties. When cleared, the block you specified is inserted once.Ĭontrols whether the block is automatically exploded into its component objects when inserted. When checked, you will be prompted automatically for additional insertion points until you press Esc to cancel the command. When cleared, the specified rotation angle is used.Ĭontrols whether the block insertion automatically repeats. When checked, you specify the rotation angle of the block using the pointing device or entering an angle. Specifies the rotation angle for the inserted block in the current UCS. Z scale factors, the block is inserted as mirror image around that axis. When checked, you specify the scale factors in the X, Y, and Z directions. Specifies the scale for the inserted block. When cleared, specified coordinates are used. When checked, you specify the insertion point when inserting the block, using either your pointing device or manually entering coordinates. Specifies the insertion point for the block. Note: These options do not apply when you drag and drop to place a block from the Blocks palette.
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