diff --git a/readme.md b/readme.md
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--- a/readme.md
+++ b/readme.md
@@ -33,20 +33,20 @@ See [usage](docs/usage.md) for requirements, installation instructions and a usa
Fuseholder | Screws | Pcb_mount | Sector | |
Geared_steppers | Sealing_strip | Psu_shroud | Sweep | |
Green_terminals | Sheets | Ribbon_clamp | Thread | |
- Hot_ends | Spades | Screw_knob | Tube | |
- Hygrometer | Spools | Socket_box | | |
- Iecs | Springs | Ssr_shroud | | |
- Inserts | Ssrs | Strap_handle | | |
- Jack | Stepper_motors | | | |
- Ldrs | Toggles | | | |
- Leadnuts | Transformers | | | |
- Leds | Tubings | | | |
- Light_strips | Variacs | | | |
- Linear_bearings | Veroboard | | | |
- Mains_sockets | Washers | | | |
- Meter | Wire | | | |
- Microswitches | Zipties | | | |
- Microview | | | | |
+ Hot_ends | Sk_brackets | Screw_knob | Tube | |
+ Hygrometer | Spades | Socket_box | | |
+ Iecs | Spools | Ssr_shroud | | |
+ Inserts | Springs | Strap_handle | | |
+ Jack | Ssrs | | | |
+ Ldrs | Stepper_motors | | | |
+ Leadnuts | Toggles | | | |
+ Leds | Transformers | | | |
+ Light_strips | Tubings | | | |
+ Linear_bearings | Variacs | | | |
+ Mains_sockets | Veroboard | | | |
+ Meter | Washers | | | |
+ Microswitches | Wire | | | |
+ Microview | Zipties | | | |
Modules | | | | |
@@ -2497,6 +2497,54 @@ Note that modules that drill holes will return a 2D object if ```h``` is set to
| 1 | ```sheet(Steel06, 30, 30, 2)``` | Sheet mild steel 30mm x 30mm x 0.6mm |
+Top
+
+---
+
+## Sk_brackets
+SK shaft support brackets
+
+
+[vitamins/sk_brackets.scad](vitamins/sk_brackets.scad) Object definitions.
+
+[vitamins/sk_bracket.scad](vitamins/sk_bracket.scad) Implementation.
+
+[tests/sk_brackets.scad](tests/sk_brackets.scad) Code for this example.
+
+### Properties
+| Function | Description |
+|:--- |:--- |
+| ```sk_base_height(type)``` | Height of base containing the screws |
+| ```sk_diameter(type)``` | Rod hole diameter |
+| ```sk_hole_offset(type)``` | Rod hole offset |
+| ```sk_screw_separation(type)``` | Separation of screws in the base |
+
+### Functions
+| Function | Description |
+|:--- |:--- |
+| ```sk_size(type)``` | Size of bracket |
+
+### Modules
+| Module | Description |
+|:--- |:--- |
+| ```sk_bracket(type)``` | SK shaft support bracket |
+| ```sk_bracket_assembly(type, screw_length = 16, screw_type = M5_cap_screw, nut_type = undef)``` | Assembly with fasteners in place |
+
+![sk_brackets](tests/png/sk_brackets.png)
+
+### Vitamins
+| Qty | Module call | BOM entry |
+| ---:|:--- |:---|
+| 4 | ```sliding_t_nut(M5_sliding_t_nut)``` | Nut M5 sliding T |
+| 4 | ```nut(M5_nut)``` | Nut M5 x 4mm |
+| 1 | ```sk_bracket(SK10)``` | SK10 shaft support bracket |
+| 1 | ```sk_bracket(SK12)``` | SK12 shaft support bracket |
+| 1 | ```sk_bracket(SK16)``` | SK16 shaft support bracket |
+| 1 | ```sk_bracket(SK8)``` | SK8 shaft support bracket |
+| 8 | ```screw(M5_cap_screw, 16)``` | Screw M5 cap x 16mm |
+| 12 | ```washer(M5_washer)``` | Washer M5 x 10mm x 1mm |
+
+
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