Sitemap

This page is only fully usable with Javascript. Please configure your browser accordingly

Programmatic generation of a 3d model  - 

The task

3d general  - 

"Waterproof bodies"

Nurbs for geometry display

Programming rhino3d  - 

rhino3d: the program

Step 1: 3dm input file creation

Step 2: a rhino3d plugin that creates the surfaces and bodies

Software links

A simple example of rhino3d programming  - 

The source code for creating the 3dm file

The source code for the corresponding rhino3d plugin

Programming Open Scad  - 

Open Scad - the program

Open Scad: my programming concept

Why I finally gave up Open Scad

OSCAD: a small example project

Links

Programming with SISL

All kinds of possible and impossible plans  - 

Plan A: pure Open Scad

Plan B: Open Scad with SISL

Plan C: Attempts with other tools: FreeCad, Blender, USD

Plan D: rhino3d

Sanding wood  - 

Sanders  - 

The random orbital sander  - 

The random orbital sander: Loudness

The random orbital sander: Dust

The random orbital sander: Vibration

The random orbital sander: Sanding disc size

The random orbital sander: Sanding disc hardness

The random orbital sander: Oscillating circuit radius

Paper or grid?

Manual sanding  - 

The sanding block

Bare sandpaper

Wood sanding Handling  - 

What does it depend on?  - 

The concave surface

The small hole

The flat surface

The convex surface

Sanding: the individual steps  - 

The pencil trick

Basic sanding

The refinement sanding steps

Dewhiskering

Final sanding

Sharpening chisels and planes  - 

Abrasive: from sandpaper to grinding wheel  - 

Forms of the abrasives Paper, plate, disc, leather  - 

Plates for manual grinding

Machine grinding wheels

Sandpaper

Stropping leather with paste

Grinding materials: from rock to diamond  - 

Diamond grinding material - the top class

Grinding material CBN - the king's little brother

Sharpening with artificial stones - the normal case

Natural stones - between tradition and cult

Abrasive structure: coated or continuous?  - 

Coated abrasives  - 

Coated plates must not be dressed

Coated plates and risk of rust with water lubrication

Continuous abrasives

Lubricants: Water, oil, or dry?  - 

Dry grinding

Grinding with water

Grinding with oil

The international standards for grits

My knowledge gaps  - 

Steel grades

Oil on water stones

The process of sharpening: what can I do?  - 

3 work steps: Grinding, polishing, stropping  - 

Work step (coarse) grinding

Work step Polishing

Work step Stropping

Geometry: what should the cutting edge look like?  - 

What is sharpness anyway?

Which grinding angle do I need?

The importance of the back side

The flat bevel

Grinding: the hollow bevel

The micro bevel

The rear micro bevel

The worn bevel

The various auxiliary devices during grinding  - 

Freehand grinding

Hand grinding with guide

Grinding with the machine  - 

Grinding machines with flat discs

Slow speed grinding machines

Grinding machines with high speed wheels

Individual activities: Regrinding, grinding to change shape, tool care  - 

Sharpening: Basic grinding

Simple resharpening

Manual resharpening after machine sharpening

Stripping off the burr

Changing the cutting edge angle

Correction of a worn out bevel

Stone dressing

Renewing the wax on a stropping leather

Disposal of the lubricant

Grinding strategy: how to keep the edge sharp for a long time?  - 

Strop-as-long-as-possible strategy

Pure freehand strategy

Pure Hand strategy with guidance

Longest possible micro bevel strategy

Mixed machine-hand strategy

Pure machine strategy

LaTex Basics  - 

LaTex: the installation  - 

MikTex

ghostscript

Ghostview - obsolete

TeXNicCenter

LaTex: a small example for physical formulas

Svg geometry  - 

Conventions and restrictions  - 

Location of the coordinate origin

Svg: 2d oder 3d?

Parameterization

Svg representation vs point representation

Validity of the formulas

Formatting in the text

The formulas  - 

General formulas for curves in 2d or 3d  - 

The derivatives of a vector-valued curve in 3d

The osculating circle on a curve for a specific parameter

The formulas for the Svg lines

The formulas for the quadratic Bezier curve

The formulas for the cubic Bezier curve

The formulas for the Svg elliptical arc

Links

Svg and Inkscape  - 

SVG: Set dimensioning according to mm or inches

SVG: Curve display

SVG: how to control your curve changes

SVG: Smoothing the curves

Links