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Added volume and area functions to butt_box.

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This commit is contained in:
Chris Palmer
2019-10-22 15:34:08 +01:00
parent a9c4e60cac
commit 8c51183ba6
2 changed files with 12 additions and 1 deletions
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6
printed/butt_box.scad
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@@ -50,6 +50,10 @@ function bbox_name(type) = type[8] ? type[8] : "bbox"; //! Optional name i
function bbox_skip_blocks(type)= type[9] ? type[9] : []; //! List of fixing blocks to skip, used to allow a hinged panel for example function bbox_skip_blocks(type)= type[9] ? type[9] : []; //! List of fixing blocks to skip, used to allow a hinged panel for example
function star_washers(type) = type[10] ? type[10] : is_undef(type[10]); //! Set to false to remove star washers. function star_washers(type) = type[10] ? type[10] : is_undef(type[10]); //! Set to false to remove star washers.
function bbox_volume(type) = bbox_width(type) * bbox_depth(type) * bbox_height(type) / 1000000; //! Internal volume in litres
function bbox_area(type) = let(w = bbox_width(type), d = bbox_depth(type), h = bbox_height(type)) //! Internal surdface area in m^2
2 * (w * d + w * h + d * h) / 1000000;
module bbox_shelf_blank(type) { //! 2D template for a shelf module bbox_shelf_blank(type) { //! 2D template for a shelf
dxf(str(bbox_name(type), "_shelf")); dxf(str(bbox_name(type), "_shelf"));
@@ -205,7 +209,7 @@ module _bbox_assembly(type, top = true, base = true, left = true, right = true,
width = bbox_width(type); width = bbox_width(type);
depth = bbox_depth(type); depth = bbox_depth(type);
height = bbox_height(type); height = bbox_height(type);
echo("Box:", width, depth, height); echo("Box:", width, depth, height, volume = bbox_volume(type), area = bbox_area(type));
t = sheet_thickness(bbox_sheets(type)); t = sheet_thickness(bbox_sheets(type));
bt = sheet_thickness(bbox_base_sheet(type)); bt = sheet_thickness(bbox_base_sheet(type));

7
readme.md
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@@ -3243,6 +3243,12 @@ Uses [fixing blocks](#fixing_block) and [corner blocks](#corner_block).
| ```bbox_width(type)``` | Internal width | | ```bbox_width(type)``` | Internal width |
| ```star_washers(type)``` | Set to false to remove star washers. | | ```star_washers(type)``` | Set to false to remove star washers. |
### Functions
| Function | Description |
|:--- |:--- |
| ```bbox_area(type)``` | Internal surdface area in m^2 |
| ```bbox_volume(type)``` | Internal volume in litres |
### Modules ### Modules
| Module | Description | | Module | Description |
|:--- |:--- | |:--- |:--- |
@@ -3253,6 +3259,7 @@ Uses [fixing blocks](#fixing_block) and [corner blocks](#corner_block).
| ```bbox_base_blank(type)``` | 2D template for the base | | ```bbox_base_blank(type)``` | 2D template for the base |
| ```bbox_front(type)``` | Default front, can be overridden to customise | | ```bbox_front(type)``` | Default front, can be overridden to customise |
| ```bbox_front_blank(type, sheet = false)``` | 2D template for the front | | ```bbox_front_blank(type, sheet = false)``` | 2D template for the front |
| ```bbox_front_blank(type, sheet = false, width = 0)``` | 2D template for the front |
| ```bbox_left(type)``` | Default left side, can be overridden to customise | | ```bbox_left(type)``` | Default left side, can be overridden to customise |
| ```bbox_left_blank(type, sheet = false)``` | 2D template for the left side | | ```bbox_left_blank(type, sheet = false)``` | 2D template for the left side |
| ```bbox_right(type)``` | Default right side, can be overridden to customise | | ```bbox_right(type)``` | Default right side, can be overridden to customise |