WHAT IS A MESH Something That Moves Something

WHAT IS A MESH? Something That Moves Something, created by Ohad Meyuhas, architect

CREATE AN EGG

IN THIS LESSON • Review of geometry terms • Things to consider when preparing a mesh file How to create a smooth and watertight mesh

GEOMETRY TERMS WHAT AM I? ?

GEOMETRY TERMS WHAT AM I? POINT • I am a unique location in Euclidean space. • I do not have any length, area, volume, or any other dimensional attribute.

GEOMETRY TERMS WHAT AM I? LINE • I include (but am not limited to) an infinitely extended, one-dimensional figure with no curvature. • I am equally extended between two points. • I do not have any area, volume, or width.

GEOMETRY TERMS WHAT AM I? SURFACE • I am a two-dimensional, topological manifold. • I am at least three lines defined by at least three points.

GEOMETRY TERMS WHAT AM I? POLYGON • I am a two-dimensional surface on one plane. • I am created by a chain of at least three straight lines on the same plane.

GEOMETRY TERMS WHAT AM I? SOLID I am a three-dimensional, watertight closed model.

GEOMETRY TERMS WHAT or MESH AM POLYSURFACE I? • I am a way to represent solid objects through polygon division.

GEOMETRY TERMS WHATMESH OPEN AM I? • Not all meshes are closed and watertight

GEOMETRY TERMS • • Point Line Surface Polygon Solid Mesh / Polysurface Open mesh

GEOMETRY TERMS WHAT IS THIS?

GEOMETRY TERMS WHAT IS THIS?

GEOMETRY TERMS A mesh is a computer representation of a 3 D object created with an array of finite elements. POINTS LINES SURFACES POLYGONS MESH

GEOMETRY TERMS A mesh is a computer representation of a 3 D object created with an array of finite elements. POINTS LINES SURFACES POLYGONS MESH

IN THIS LESSON • Review of geometry terms • Things to consider when preparing a mesh file How to create a smooth and watertight mesh

PREPARING A MESH FILE THINGS TO CONSIDER • Resolution • Mesh holes • File format

1. SMOOTH SURFACE High resolution meshes contain a higher density of smaller polygons for a smoother end product. The higher the mesh resolution, the longer it will take to process a file. Resolution must be aligned with your 3 D printer’s capabilities. Y A R R A N IS A H S E M SINCE A NS, O G Y L O OF P TH O O M S E B R E V E N L IT WIL

1. SMOOTH SURFACE Y A R R A N IS A H S E M A BECAUSE POLYGONS, OF TH O O M S BE R E V E N IT WILL

2. MESH HOLES Mesh must be watertight for 3 D printing d a h O s • n i ill s e c o r p St Mesh repair software: magics, netfabb, autodesk print utility

3. FILE FORMAT Initial CAD file Convert to mesh format Save as an STL file Mesh ASCII Mesh BINARY Save for future modification Use for CAM program

PREPARING A MESH FILE THINGS TO CONSIDER • Resolution • Mesh holes • File format

IN THIS LESSON • Review of geometry terms • Things to consider when preparing a mesh file How to create a smooth and watertight 3 D mesh

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Thank you. Something That Moves Something, created by Ohad Meyuhas, architect