Recreational Pilot License (RPL)

January 6, 2023

Why? Why not.  There are a lot of factors to consider, but some of the more obvious easily overlooked ones: Your licence is perpetual – it never expires! You will however be required to pass a medical every 1-2 years, and pass a flight review every 2 years. A recreational pilot license allows you to: fly […]

Demo Reel 2021

January 19, 2021

               

Demo Reel 2020

November 1, 2020

              1920×1080 1920×1080 1920×1080 1920×1080       (2x speed)                           https://coeleveld.com/wp-content/uploads/2020/01/tire_vp9.mp4   1920×1080 1920×1080 1920×1080 1920×1080 1920×1080 1920×1080     1920×1080

Oree Laser OR-H series 6 kiloWatt fiber laser CNC

January 22, 2024

Used for full sheet metal fabrication.  Takes full size 2400x1200mm and 3000x1500mm sheets. Comes with an electronically movable / swappable feed out tray. Uses CypCut file parser and XYZ spindle control software. User manual: CypCut-user-manual-V6.5.pdf “Do not look directly into laser with remaining eye”. – amazing piece of equipment. Software can process raw DXF files […]

Power of masking in Blender

January 12, 2024

Thank you Ducky 3D! power_of_masking_001.blend

Stylized topographic landscape in Blender

January 9, 2024

Thank you Ducky 3D! topographic_landscape_001.blend

2023 Advent of Code (Python)

December 1, 2023

Advent of Code is an Advent calendar of small programming puzzles for a variety of skill sets and skill levels that can be solved in any programming language you like. Go check it out: Advent of Code Input files: adventofcode2023inputs.zip 2023 Day 25 python -m pip install -U networkx 1 2 3 4 5 6 […]

Spray painting Hyundai Getz

October 16, 2023

Before After Notes Wash car with pressure cleaner and soap / water to get rid of dirt and grease before sanding. Sanding Try to get back to even coat of basecoat / topcoat.  Goal is to obtain a nicely spread-out even rainbow gradient pattern of bare metal / basecoat / topcoat.  Avoid  ‘islands’ or ‘snaking […]

Aerosol spray paint – how to avoid spitting and splatter

October 13, 2023

Your spray technique could be causing the problem. Notice as you put pressure on the spray nozzle that it flexes, and can be angled forward or back. Also notice where on the nozzle you place your finger. Don’t position your finger over the nozzle in such a way that your finger gets paint on it […]

Project Euler (Python)

September 29, 2023

https://projecteuler.net/archives 0001 1 print(sum(x for x in range(1000) if (x % 3 == 0 or x % 5 == 0)))print(sum(x for x in range(1000) if (x % 3 == 0 or x % 5 == 0))) 0002 1 2 3 4 5 6 7 8 limit = 4000000 x, y = 1, 2 total = […]

AS 3740 – Waterproofing of domestic wet areas

June 14, 2023

https://www.architectureanddesign.com.au/features/list/bathroom-waterproofing-step-by-step-guide Australian Standards AS 3740 states that: In the shower, the whole floor must be waterproof and the shower walls should be waterproofed to at least 1800mm. Bathroom walls need to be waterproofed to at least 150mm. If the bathroom floor is made of or contains wood or if the bathroom is on the second […]

MPCNC part 7

June 9, 2023

When cutting 6mm HDPE in a single pass, I experienced lost steps and a glitching sound when steppers were kept enabled after the job had completed:   GRBL is arguably better suited to CNC milling operations than Marlin (position updates during arcs, better compatibility with CNC.js). Geeetech GTK2560 v3.0 board uses an Arduino Mega.  I […]

A plea for lean software

May 26, 2023

A pleas for lean software – Niklaus Wirth – 1995.pdf