I use to write an article about something when find it can be useful to someone else. Here are some of them. Please note that some articles here were sold to magazines, and in these cases I left a simplified version of the text. I hope you find them useful.

Modeling articles:

Photoetching at home - Part 1: Some tips about making basic photoetched parts using a simple process.
Riveting scale models - Part 1: A basic discussion about simple methods to produce rivet lines on your models. This first part is focused on the tools.

Making your own vacuum forming jig: A fool proof recipe to make this so useful tool at home.
Scratchbuilding a carrier deck from early 60's: Here I describe my recipe to make an effective base for airborne aircraft in 1/72 scale.

Making decals with a laser printer: The technique for making your own decals at home, and its results.
Making warning lights: A very simple tip.

Making ropes and hoses: Another of these simple but useful tricks.
I couldn't resist writing this tale about Nei Biazetto x Badger 100.

A simple display base - Part 1: A tutorial on making a display base containing scratchbuilt trees.
A quick note about the dangers of using CA glue to attach lead weights.
Airbrushing tight camouflage patterns: Check out the videos of Eduardo Blanco showing his skills with an airbrush.
Making plastic rings: a simple and effective tip.

The old method of clear discs to simulate turning propelers is revisited.
Tips on making aircraft and vehicle lights - Part I

Tips on making aircraft and vehicle lights - Part II
Seat belts made easy: another simple yet effective method.
A simple display base - Part 2: A method to make a display base for your models in one night. Ideal for a weekend project.
Tips on making aircraft and vehicle lights - Part III
How to etch your own ship propellers in 1/700 scale.
A word of warning to whoever likes to use permanent markers to pre-shade models.
This is a more or less technical description of the famed, but misnamed stressed skin effect and how to reproduce it on models.
An easy way to paint white rubber bands on electric-conductive tail wheel tires.
Making your own wheel chocks using plastic rod.
Photoetching at home - Part 2: A follow on article of Part 1, this ones shows how to make more elaborate parts, still keeping the technique simple.
Building a Korean war US carrier deck with JBD (jet blast deflector) in 1/72. An easy way to convert a WWII aircraft carrier deck to the type used during Korea war.
A funny video on the workshop about the popular hairspray method, at out modeling club. A basic description of the method is also given. 
A very easy technique to reproduce tarmac seams in runaways and roads.
A method to enhance cockpits of you model using images of the real instruments.
A very simple method to capture the texture of wicker seats used by WWI aircraft models, using materials that we all have at home.
An old school method to build a passenger stairs typical of a 1960's airport in 1/72 scale.
Tips on making aircraft and vehicle lights - Part IV
Besides the usual fine reamers, the heavy-duty reamers are also very useful in modeling
Something that can add a lot of interest and realism to passenger aircraft models: window curtains. Here I show my cheap method for simulating them in 1/72 scale. I am sure it can be adapted for other airliner scales.
My usual recipe to make control panels in small scales, using essentially plastic bits and decals.

Research articles:

RAF Skies: I compiled this text to help to elucidate some points about the colors used by RAF to paint the undersurfaces of their fighters. Maybe I just added confusion to the topic...
Curtiss Camouflage on A.V.G. Tomahawks: This is the result of my research on the subject to find suitable colors to paint Flying Tigers aircraft. Subject to changes...
Luftwaffe late war camouflage colors: A very simple comparison of GSI Creos, Model Master and Aerotech modeling colors for Luftwaffe subjects.

Rato Marczak 2022