Step-by-Step Classes

Blender 5.2 · Advanced

Blender 5.2: Making a 3D Smartphone in Blender + Render

Make a 3D smartphone in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Intermediate

Blender 5.2: Making a 3D Minimalist Sofa in Blender + Render

Make a 3D minimalist sofa in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Intermediate

Blender 5.2: Making a 3D Laptop in Blender (Keyboard Array + Render)

Make a 3D laptop in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Intermediate

Blender 5.2: Making a 3D Potted Plant in Blender + Render

Make a 3D potted plant in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Intermediate

Blender 5.2: Making a 3D Desk in Blender (Array + Render)

Make a 3D desk in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Intermediate

Blender 5.2: Making a Glowing Desk Lamp in Blender (Emission)

Make a 3D desk lamp in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Beginner

Blender 5.2: Making a Glass of Water in Blender (Cycles Glass)

Make a 3D glass of water in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Beginner

Blender 5.2: Making a 3D Tumbler Bottle in Blender + Render

Make a 3D tumbler bottle in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

Blender 5.2 · Beginner

Blender 5.2: Making a 3D Coffee Cup in Blender + Realistic Render

Make a 3D coffee cup in Blender 5.2 from scratch: step-by-step modeling, materials, lighting, then a realistic render with Cycles. Comes with a step-by-step PDF and the .blend project file.

MATLAB R2025b · Intermediate

MATLAB: The Water Cycle Algorithm (WCA) for Hybrid Microgrid Optimization

A MATLAB class from an empty project: applying the Water Cycle Algorithm to size the solar panels, wind turbines, batteries, and diesel generator of a hybrid microgrid. Includes validation against the theoretical optimum, a 30-run stability test, and the effect of population size. 11 code files written and explained line by line.

MATLAB R2025b · Intermediate

MATLAB: Optimizing PV and Inverter Capacity for the Lowest Hydrogen Cost (LCOH)

A MATLAB class from an empty project: downloading PVGIS data, modeling an on-grid rooftop PV system and inverter hour by hour (8,760 hours), then finding the capacity with the lowest hydrogen cost (LCOH) using Particle Swarm Optimization, validated by an Exhaustive Grid Search, with sensitivity analysis and assumption checks. 19 code files written and explained line by line.

ANSYS 2026 R1 (SpaceClaim, Fluent) · Intermediate

CFD Simulation of a Globe Valve in Ansys Fluent (Valve Series #4)

A CFD simulation of a globe valve with an S-shaped flow path in Ansys Fluent 2026 R1: mass flow inlet, steam material, and velocity, pressure, and turbulence contours.

ANSYS 2026 R1 (SpaceClaim, Fluent) · Intermediate

CFD Simulation of a Gate Valve in Ansys Fluent (Valve Series #3)

A CFD simulation of a gate valve with single-phase steam flow in Ansys Fluent 2026 R1: fixing surface mesh self-intersections, the Coupled solver, and result contours.

ANSYS 2026 R1 (SpaceClaim, Fluent) · Intermediate

CFD Simulation of a Butterfly Valve in Ansys Fluent (Valve Series #2)

A CFD simulation of a butterfly valve with two-phase water-steam flow in Ansys Fluent 2026 R1: polyhedral mesh, setup, and stagnation and wake contours around the disc.

ANSYS 2026 R1 (SpaceClaim, Fluent) · Intermediate

CFD Simulation of a Ball Valve in Ansys Fluent (Valve Series #1)

A CFD simulation of a ball valve in a 6 m pipe with two-phase water-steam flow in Ansys Fluent 2026 R1: SpaceClaim geometry, Fluent Meshing, setup, and velocity, pressure, and turbulence contours.

Python 3.11 + VS Code · Intermediate

Free AI Clipping: Turning Long Videos into Shorts Automatically with Python

Build your own free AI clipping engine on your computer: Whisper transcribes the video on the GPU, a local Ollama AI (qwen3:8b) picks the most engaging moments, then FFmpeg cuts them into vertical 9:16 YouTube Shorts with automatic titles and subtitles, in 9 steps.

Krita · Beginner

Krita: Drawing a Girl Tending a Flower Garden

Draw a girl in a straw hat watering a flower garden with Krita (free): a clear sky, layered bushes, a wooden fence with the Polygon Tool, sunflowers and tulips, a watering can with Airbrush water splashes, a vegetable basket, and butterflies, in 17 steps with color codes.

Krita · Beginner

Krita: Drawing a Girl on a Swing at Sunset

Draw a girl on a swing under a big tree at sunset with Krita (free): a sunset sky with the Backspace + Gradient trick, hill silhouettes, a layered tree and leaves, the swing, a character with flowing hair, a kitten, and Airbrush fireflies, in 17 steps with color codes.

Power BI Desktop · Beginner–Intermediate

Power BI

7 video lessons with PDF guides, 44 min in total. Starts with: Dashboard Product Analysis.

Revit 2027 + Dynamo · Beginner

Dynamo for Revit: Automatic Wall Colors

Learn Dynamo for Revit on a real two-storey house project: get all walls, count them and total their area, fill the Comments parameter in one go, color walls by area, number the windows J-1 to J-12, then export the window list to CSV.

Krita · Beginner

Krita: Drawing a Girl Learning in Class

Draw a classroom scene with Krita (free): walls and a wooden floor, a chalkboard with chalk writing, windows, a wall clock, a teacher pointing at the board, classmates, and a girl raising her hand, in 17 steps with Rectangle, Ellipse, Polygon, the Basic brush, and Airbrush.

Krita · Beginner

Krita: Drawing a Girl Riding a Bicycle

Draw a cartoon girl riding a bicycle with Krita (free), layer by layer: a sky gradient, Ellipse/Polygon/Rectangle without outlines, wheels with the Ellipse Tool in Outline Brush mode, a frame with a thick brush, the character, and Airbrush motion lines, in 19 steps with color codes.

LINGO · Beginner

LINGO

3 video lessons with PDF guides, 22 min in total. Starts with: Linear Programming for Beginners.

ANSYS 2026 R1 (SpaceClaim, Fluent) · Intermediate

ANSYS Fluent: CFD Simulation of a Shell & Tube Heat Exchanger from Geometry to Contours

A CFD simulation of a shell & tube heat exchanger in ANSYS 2026 R1: scripted SpaceClaim geometry (91 tubes, 18 baffles), named selections, Fluent Meshing Watertight (4.66 million poly-hexcore cells), Fluent setup (realizable k-epsilon, materials, boundary conditions, coupled tube walls), running the calculation, then temperature, pressure, and velocity contours, vectors, and pathlines, in 38 steps.