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VisCAM Help 4.0
envelope. Part placement circular arranges the parts circularly around the defined reference
position in the XY-plane.
Apply 3D part nesting: Activates the 3D nesting mode when automatically arranging parts.
When 3D nesting is activated parts can be nested on top of each other if they didn’t fit on the
bottom plane of the build envelope. Using 3D nesting the available space within the build
envelope can optimally be used for a build job even regarding the top down dimension. This is
useful for machines that do not use support structures and therefore can build multiple parts on
top of each other (e.g. EOS P Plastic Sintering Machine).
Part start height: Defines the absolute Z-value in the envelope where parts should be positioned
with their minimal Z-dimension as a standard. This corresponds with the distance from the
bottom plane of the part to the platform. Slice models with calculated support structures ignore
this value. Instead, the part is positioned at the defined platform height.
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Build area
Border space X: Defines the admissible distance between parts and the border of the envelope in
X-direction.
Border space Y: Defines the admissible distance between parts and the border of the envelope in
Y-direction.
Cover space Z: Defines the admissible distance between parts and the border of the envelope in
XY-direction.
Part spacing: This option defines the minimal part distance.
Platform height: Defines the platform position in Z. The automatic part placement sets the
minimum z-extension of the support structure one slice thickness above the defined platform
height. If the platform height corresponds with the origin of coordinates in Z, the lowest layer of
the processed part starts exactly at zero in Z. The displacment of the defined platform height to
the negative range can cause a permeation of the lowest layer of the part with the real machine
platform, if necessary.
Box & Shape based
Positioning method
Within this combo box it is possible to choose between different positioning methods. Following
methods are available.
Size ascending: the placement takes place in ascending order. This means that the part with the
least footprint is placed first at the reference point. Step by step will be the next higher footprint
adjusted.
Size descending: the placement takes place in descending order. This means that the part with
the highest footprint is placed first at the reference point. Step by step will be the next lower
footprint adjusted.
Highest first: the parts are sorted by their height in descending order at first and then placed one
after another.
The arrangement method Search optimum is only by Box based placement available and it
compares several placements qualitatively. “Maximum search steps” (see below) has to be set
for the calculation. The result with the best packing density is automatic applied to the parts.
Iterations
Box based