OptionalcolorA 24-bit color value that should be dealt with in terms of bytes with values of 0 to 255. The lowest byte is the blue value, the middle byte is the green value, and the third byte is the red value. The top byte is always 0.
OptionalcolorColor number (present if not BYLAYER); zero indicates the BYBLOCK (floating) color; 256 indicates BYLAYER; a negative value indicates that the layer is turned off (optional)
OptionalcolorColor name.
End angle
Extrusion direction (optional; default = 0, 0, 1)
Handle
OptionalisAbsent or zero indicates entity is in model space. 1 indicates entity is in paper space (optional).
OptionalisObject visibility (optional):
Layer name
OptionallineLinetype name (present if not BYLAYER). The special name BYBLOCK indicates a floating linetype (optional)
OptionallineLinetype scale (optional)
OptionallineweightLineweight enum value. Stored and moved around as a 16-bit integer.
OptionalmaterialHard-pointer ID/handle to material object (present if not BYLAYER)
Soft-pointer ID/handle to owner BLOCK_RECORD object
OptionalownerHard-owner ID/handle to owner dictionary (optional)
OptionalownerSoft-pointer ID/handle to owner dictionary (optional)
OptionalplotHard-pointer ID/handle to the plot style object
OptionalproxyNumber of bytes in the proxy entity graphics represented in the subsequent 310 groups, which are binary chunk records (optional)
OptionalproxyProxy entity graphics data (multiple lines; 256 characters max. per line) (optional)
Radius
OptionalshadowShadow mode
Note: Starting with AutoCAD 2016-based products, this property is obsolete but still supported for backwards compatibility.
Start angle
Thickness (optional; default = 0)
OptionaltransparencyTransparency value.
Transparency type.
Entity type
OptionalxdataThe extension dictionary attached to the entity (optional).
Center point (in OCS)