3D created object – coral

3D Printer,Assignment,Rhino3D — alexmallard @ 1:11 pm

Using this photo as a base:

I created a curve for the coral and then extruded the shape up about a quarter of an inch. Then using flow around surface, I shaped the coral extrusion around a sphere.

This is the resulting curve from the coral shard.

This is a front facing view of the extruded coral flowed around the surface of a sphere.

This is a 3/4 view of the extruded coral.

If I remade this project and reprinted it, then I would probably use things like the pipe function to make the coral look more realistic. I would also probably experiment more with different shapes while using flow around surface.

DUE Feb. 13, 2012 – Point-Cloud Model, Rhino command review, project sketch

  • Complete and bring to class your perfected re-fabrication of the final laser-cutter project; all students are required to rebuild one of their two projects, based on the feedback given in class last week
  • Create a posting on this blog with final Rhino files for the above project, as well as images of your fabricated object; photographs must be taken on a solid color back-ground (see photo facilities in Maggy Morrison or contact our graduate assistant Luke)
  • Review and master all Rhino commands from this post and this post
  • Complete the assigned point-cloud->3d model; prepare two versions: 1) actual scale, 2) miniature (L + W + H < 4 inches);
  • Process the miniature version of your model for 3d printing on the FDM ABS printer (create mesh, check mesh, export stl, run through Catalyst)
  • Prepare a preliminary sketch of your next 3d printing project; be prepared to present your idea to the class for feedback/critique. Help us get a clear sense of your idea by preparing rough drawings in Rhino, sketches on paper, images of works of reference, accompanying text.  This project will be due on Feb. 22, 2012.

Curve to Surface to Mesh in Rhino

3D Printer,Rhino3D — Ali Momeni @ 4:07 pm

CURVE TO SURFACE

  • planarsrf
  • patch
  • edgesrf
  • loft
  • revolve
  • sweep1
  • sweep2
  • networksrf

SUFACE TO SOLID

  • offsetsrf
  • extrudesrf

SURFACE TO CURVE

  • dupborder

SURFACE TO MESH and MESH CHECK

  • mesh
  • dir
  • flip
  • checkmesh
  • showedge

Download sample rhino file: curve-to-surf-to-mesh.zip

Money in da bank box

Assignment,Laser Cutter,Modelling,Rhino3D — alexmallard @ 2:38 pm

Boxes! Part 1

Assignment,Laser Cutter,Rhino3D — alexmallard @ 4:12 am

This is a simple geometric box that I created by drawing a sphere in Rhino then changing it to a mesh with a very small number of polygons.

I created planes from the mesh and unrolled the planes to form a template. Then I added in tabs so that I could fold it up and glue it together.

Algorithmic and real objects for laser cutting

Assignment,Laser Cutter,Rhino3D — alexmallard @ 1:30 pm

Algorithmic design for laser cutting:

Other design based on an object from life:

I used my large, red scarf as the basis for this design. I really like it.

DUE: Jan 25, 2012 – Two Boxes

Design two boxes with the following design specifications:

ONE

  • a single material with the following properties
  • Length + Width + Height less then 18 inches
  • no hardware necessary
  • visually communicates its purpose
TWO
  • made of two different materials
  • Length + Width + Height less then 18 inches
  • composed of “Skeleton” and “Skin”

 

LEFTOVERS

  • if you haven’t registered for an account on this side, do
  • if you haven’t filled in a complete profile for your account (name, contacts, photo), do

IN CLASS: Jan. 23, 2012

In-Class,Rhino3D — Ali Momeni @ 12:41 pm
ASSIGNMENT REVIEW
  • Blackboard Assignment submission
  • 2D laser cutter assignment review
2D TO 3D PRACTICE
  • curve to volume
  • orient and rotate revisited
  • box making: finger joints, slots
  • finger joints
  • slots
  • working with layers

Rhino links

Rhino3D — Ali Momeni @ 1:42 am

COMPANY

COMMUNITY

COMMANDS

TUTORIALS

DUE: Jan 22, 2012 – Minimal Rhino: a few commands that go far

Assignment,Description,Rhino3D — Ali Momeni @ 1:38 am

NB 1.  When there’s a length or an option, you can type it (if you can)
NB 2.  Use a two button mouse, use a big/second screen (if you can)

drawing: (you can either click to draw or type the dimensions you want)

  • points
  • circle
  • line
  • rec
  • polyline
  • curve

measurements:

  • length: length of line or curve
  • distance: distance between two points
  • area: area of a surface

geometric transformation:

  • orient: good when the thing you’re moving is asymmetric/sided/chiral
  • offset: scale and copy
  • scale1D: good for resizing lines
  • scale2D: good for resizing flat shapes
  • scale (you can indicate with numbers the scaling factor)
  • move
  • copy
  • arraycrv: orient and copy

2d-3d-2d:

  • loft: make connecting surface between two lines/curves
  • extrude
  • make2d: create 2d shape of selected surface, according to current view
  • unrollSrf: turn a volume into flat components
  • dupBorders: produce curve from boundary of a surface

cutting/expanding:

  • explode
  • split: divides a line/curve/surface at a center point/line/intersective-surf/curv
  • trim: split + delete
  • extend
  • rebuild

make many out of one:

  • divide: dividing lines/curves into equal parts
  • rebuild: either turn cuves into lines or make ugly curves pretty curves

housekeeping/getting-around:

  • layer: show layers window (use many layers!)
  • show/hide
  • setPt
  • zs: zoom set, show you just the selected object in the active transport
  • join: make one curve out of many segements
  • group
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