Frequently Asked Questions


What is interactive parametric design?

Interactive parametric design is a process based on algorithmic thinking. It is a paradigm in design in which the relationship between elements is used to manipulate and inform the design of complex geometries and structures.

The Evolution of Computer Aided Design in the Fashion Industry?

The modern fashion industry has moved from the level of creating drawings and cutting patterns with pencils and paper to produce a design of fashion, into a stage where computers are used to produce accurate and overwhelming designs never seen before.This has been made possible with the use of computer aided design (CAD) software

Technology is an ever-changing, constantly evolving thing. New technologies come out every year, and something is always on the brink of becoming mainstream.Take the Tarrah 2D interactive parametric software, which allows users to design a cutting pattern parametrically graded based on a scientific method, and then instantly import the cutting pattern to 3D software for stitching, meaning the software can instantly transform 2D patterns into 3D. This development is most probably the reason why we have so many exciting and unbelievable fashion expressions and designs all over the world.

The use of CAD software in the fashion industry has become more important because of the need to increase efficiency and make the design process easier.To achieve this goal, CAD software is integrated in every step of the traditional clothing construction process and then interfaced with different kinds of machines - including automatic sewing machines and robots used in fabric handling, pick and place operations, and direct sewing - to produce an excellent work of fashion art.

The first step in fashion designing is the concept and idea stage where the designer utilizes their imagination to establish a design idea. In the past, most designers got inspiration from real life, books and traveling, but today, inspiration can be found on the internet with just a few mouse clicks. CAD software gives the designer the advantage of putting in drawing every idea, and bringing it out in a way that was previously regarded as impossible.

After the concept and idea stage comes sketching, which is a very lengthy process since the designer has to combine their knowledge of trends and creativity to achieve a unique design. CAD software helps in achieving the perfect sketch through the use of multiple tools that are available on the software menu. These are self-explanatory tools that can be used to draw and erase, or do and re-do, according to the designer's desires.

The production stage in the fashion field is important because it is the point where the final product is showcased and everything that has to do with the particular design is established.

Oftentimes, designers may not have the overall insight to notice errors; this is where the use of CAD software comes in handy, allowing the design to be viewed in 3-D for the easy detection and correction of any design errors.

After productions comes promotion. The final products of a fashion designer need to be promoted for them to be recognized by the final consumers. This is done through the designing of promotional materials and items using software.

Such materials are displayed on a variety of platforms, including billboards, magazines, brochures, posters, catalogs, fashion shows and invitation cards.

Fashion designing with the use of CAD has numerous advantages. CAD software allows designers to create a design collection which is connected in terms of pattern and flow, and which is even and detailed to ensure that every fabric flows in the same frequency.

The CAD software allows the designer to view their designs in different colors, patterns and on different models directly on the computer screen before it is displayed to the general public. The software also helps to save plenty of time, money and resources since fabrics and designs can be viewed on-screen before they are put into production.

All over the world, more and more fashion schools are making the study of CAD software a necessity, requiring their students to try and learn how to make use of it.

At the general level, CAD courses involve the study of computer aided software which can lead to an advanced degree in architecture.

The courses can later lead on to computer aided design and computer aided manufacture professions. CAD courses aim to help students learn how to integrate fabric, fibre and pattern making techniques and construction with the use of software and computers.

What is AAMA and DXF Format?

DXF is an abbreviation of Drawing eXchange Format file and was invented by AutoDesk and has become a popular drawing exchange format and AAMA a standards definition for pattern data interchange between CAD systems which has been defined by American Apparel Manufacturers Association.

What is HPGL Format (plot)?

The HPGL file format is a vector format developed by Hewlett Packard for driving plotters. The file extensions used for HPGL files include .plt, .hpg, .hp2, .pl2, and sometimes .prn. HPGL doesn't support AutoCAD OLE objects.

Do the patterns come with sewing directions?

Tarseam's pattern package contains the pattern and the pattern guide sheet. The package will also provide you with an instruction sheet on fabric fitting.

What is Grading?

Grading:refers to the mathematical process that creates a full-size range from a base pattern.

 We have an experienced staff and state-of-the-art computer equipment to meet your grading requirements. We can use standard grading rules, follow your grading specifications, or help you create your own grading specifications, to generate a full-size range of your garment.

We will give you a 'nest' of all the graded pieces for your approval. We can also satisfy your special grading needs by printing out the individual graded pattern pieces, which can then be transferred into your own cutting guides, such as tag boards and plastics as used in the leather industry.

To ensure accuracy, we check the grading three times! First we check the grading on our computer screens. Then we check the print out of the graded nest against the original pattern to verify the accuracy of our digitizing. And then our Master Grader checks the graded nest one more time to confirm accuracy and consistency in sizing.

If I have more questions, who can I contact?

We ask you to please email us anytime with any questions or comments you may have. We will be happy to help you.
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