Create each layer to manage  colors, line types, line weights, transparency, printing, etc. per  layer

How to use

Method 1
Command Input Window  >  Command : LAYER
Method 2
Command View All  >  Layer  >     Layer Management  >  Layer Manager
Method 3
Top Bar  >  Layer  >  Open Layer
Search Layer
All Layer Groups
Layer / Group Settings
Layer Settings : Double-click to modify layer name, set current working layer (Click radio button)
Layer Group Settings : Multiple selection possible
Layer Group Settings
Add New Layer
Add Group
Add Layer Style Set
Up to 3 sets, various styles can be configured
Layer Detail Items
Click each name to reorder
Delete and Isolate Layers
Right-click to execute command
Delete : Deletes layer if it has no associated objects
Force Delete : Deletes layer, changes associated objects to layer 0
Force Delete With Records (Delete Objects Only) : Keeps layer, deletes all objects associated with that layer
Isolate Selected Layers (Separate corresponding layer objects) : Isolates and shows only objects on that layer
Layer Style Settings
Color / L-Style / L-Weight(mm) / Transp(%) : Values can be designated (Click to modify)
LineWeight Input Range : 0.00, 0.05, 0.09, 0.13, 0.15, 0.18, 0.20 0.25, 0.30, 0.35, 0.40, 0.50, 0.53, 0.60, 0.70, 0.80, 0.90, 1.00, 1.06, 1.20, 1.40, 1.58, 2.00, 2.11
Transparency Input Range : 0~90 / Transparency 20% / Transparency 50% / Transparency 90%
Adjust Layer Display Status
Display on Workspace : ON / OFF
Freeze/Thaw : Improve work speed by freezing unnecessary layers
Lock/Unlock : When locked, objects on that layer cannot be modified (Clarity adjustable with fade value)
Print : ON / OFF