Plater is a 3D printer plates placer and optimizer. It takes a few STL files and some parameters such as the plate dimension, part orientation and spacing, and it tries to generates 3D model to print your parts with at least as possible plates.
It uses a really simple configuration file that contains the list of parts with
their quantities and dimension. You can then build your STL plate(s) and release
it with your part, or simply release the plater.conf file and let people do
their own plates using their own settings.
Note that Plater will not choose the best orientation of a part for you, this is up to the user because it depends on a lot of things.
Download binaries from Release page
Alternate mirror:
- Get Windows binaries (v1.1)
- Get Windows command line tool (plater.exe, v1.0)
- Get Linux binaries (v1.0), Qt 4.8 and OpenGL required
- Get OSX dmg (v1.0), thanks to Toby Tomkins
To make a plate, first load your STL files. Click "Add Part(s)" button and select
one or more .stl file.
This will open a wizard, you'll be able to select the orientation and the quantity of the part.
Then, enter your plate dimension (in mm). You can also adjust the spacing of the parts and the precision (internally, plater use a discrete representation of parts, lower is better).
Hit "Run", this will generate you the STL file(s) corresponding to your plates.
All the settings you change can be saved to a config.json file using the
"File > config.json" menu. This file will be created in the same folder as
plater executable and will be loaded on startup.
Plater usage is:
plater [options] plater.conf
Where plater.conf is the name of your configuration file. If - is given as a
file name, the configuration will be read from standard input.
Here are the options:
-v, increase the verbosity, this will output more things onstderrduring the placing of the parts- The size of the bedplate (in 2D, top view)
-W width, width of the plate, in mm (default150)-H height, height of the plate, in mm (default150)
-j precision, precision, in mm (default0.5)-s spacing, parts spacing, in mm (default2)-d delta, sets the spacing of the brute forcing (see below), default2mm-r rotation, sets the angle of the brute forcing, default90°-p, will output .ppm files instead of STLs-o pattern, sets the pattern of output files, default isplate_%03d, this means that the first plate will be named plate_001.stl, the second plate_002.stl and so on.
The configuration file looks like this:
# This is an example of plater.conf file
part.stl 1
other_part.stl 3 back
yet-another-part.stl 8 left
Each line begins with a part name, followed by the quantity, and optionally the side
that should be on the plate. The side can be bottom (default, you can also put
nothing), front, top, back, left or `right.
You can put comment lines beginning with #, it can be useful to add some advices
on how generate your plate or some copyrights.
The file should be described relatively to the plater.conf file.
If a filename contains a space ( ), you can escape it with the \ character (like
some\ plate.stl).
The problem of placing parts is quite hard and very likely NP-complete. Plater is an heuristic based on greedy algorithm that use brute force.
Each part is first pixelized into a bitmap (each pixel is white for free space and black for used space), with a given precision. Then, this bitmap is dilatated with a given spacing.
Then, the placer tries to put each part one by one on the plate, brute forcing position to maximize a score based on a simple gravity-like property, which tend to pack the parts. If it can't place the part, it try adding a new plate and so on.
It is running multiple times with multiple parameters, and the best solution, i.e the one with the less plates is kept.
Note that the result can be bad in some limit cases, and it will not replace your expert brain! However, it is useful to do the placing automatically and quickly.
To build plater, go in the plater/ directory and then use the cmake:
mkdir build
cd build
cmake ..
make
This will create for you the libplater and the plater command tool
First, install Qt 4.8.0. Then, be sure you built plater in plater/build/.
You can simply run QtCreator on gui.pro and build it.
Go in the gui/ directory, and do:
mkdir build
cd build
qmake ..
make
sudo make install
This will create the plater-gui binary file.
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