Duplicate Layer

`Command` + `Shift` + `D`

All hotkeys for 3D Coat (MacOS)

File Menu Open File	`Command` + `O`
File Menu Save File	`Command` + `S`
File Menu Save File As	`Command` + `Option` + `S`
File Menu Save Incrementally	`Command` + `Shift` + `S`
File Menu Import Model	`Command` + `Shift` + `O`
File Menu Import Image Plane	`Command` + `Shift` + `M`
File Menu
File Menu
Edit Menu Undo	`Command` + `Z`
Edit Menu Redo	`Command` + `Y`
Edit Menu Edit All Layers in external Editor	`Command` + `P`
Edit Menu Edit Projection in External Editor	`Command` + `Option` + `P`
Edit Menu Offset tool	`Command` + `Shift` + `F`
View Menu
View Menu View relief only	`1`
View Menu View unshaded model	`2`
View Menu View only specular	`3`
View Menu View wireframe	`4`
View Menu View shaded model	`5`
View Menu View low-poly model	`6`
View Menu View low shaded model	`7`
View Menu Show 2D Grid	`Command` + `'`
View Menu
Layers Operations Add New Layer	`Command` + `Shift` + `N`
Layers Operations Delete Layer	`Command` + `Shift` + `Del`
Layers Operations Erase Unfrozen	`Del`
Layers Operations Fill Unfrozen	`Insert`
Layers Operations Fill by mask	`Command` + `Insert`
Layers Operations Duplicate Layer	`Command` + `Shift` + `D`
Layers Operations Merge Visible layers	`Command` + `Shift` + `E`
Layers Operations Merge Down	`Command` + `E`
Freeze Operations Switch freeze view	`Option` + `F`
Freeze Operations Show/hide freeze	`Command` + `F`
Freeze Operations Freeze border	`Command` + `/`
Freeze Operations Expand frozen area	`Command` + `+`
Freeze Operations Contract frozen area	`Command` + `-`
Freeze Operations Unfreeze all	`Command` + `D`
Freeze Operations Invert freeze/solution	`Command` + `Shift` + `I`
Freeze Operations Smooth freezing	`Command` + `*`
General Operations Copy	`Command` + `C`
General Operations Cut	`Command` + `X`
General Operations Paste	`Command` + `V`
General Operations Creation of a new pen from a site	`Command` + `Shift` + `C`
General Operations Pick color	`V`
General Operations Pick Layer	`H`
Splines Add point to spline	`LMB`
Splines Draw extruded curve	`Return`
Splines Pressed in one	`Command` + `Return`
Splines Delete all point	`Esc`
Splines Delete the last point	`Delete`
Splines Change the position symmetry plane	`Tab` + `Drag Click`
Splines
HIde Operations Unhide All	`Command` + `X`
HIde Operations Expand hidden area	`+`
HIde Operations Contract Hidden area	`-`
HIde Operations
Smoothing Increase level of smoothing	`Shift` + `WheelUp`
Smoothing Decrease level of smoothing	`Shift` + `WheelDown`
Smoothing
Specularity Increase Opacity of Specularity	`/`
Specularity Decrease opacity of specularity	`;`
Color Increase transperancy of texture	`P`
Color Decrease transperancy of texture	`O`
PopUps Color Picker	`B`
PopUps Pick pivot point	`F`
PopUps Show Layer List	`L`
PopUps Show tools panel	`Spacebar`
PopUps Depth Channel	`D`
PopUps Color Channel	`C`
PopUps Specular Channel	`R`
PopUps List of pens	`T`
PopUps List of materials	`M`
PopUps Types of drawing	`E`
PopUps Quick Panel	`~`
PopUps Symmetry	`S`