About Us

Prüfengel offers authentic consumer tests in which real users share their experiences with products. Our tests are based on practical applications in everyday life and reflect the opinions of consumers. As we focus on consumer tests, we do not carry out any material, long-term or laboratory tests. The tests are carried out by 1-2 independent consumers over a period of 7-14 days. The exact test conditions can be viewed in the test plan of the respective test report – click here to go directly to the test plan.

Manufacturers provide the tested products free of charge. We charge a one-off test fee for carrying out the tests. In addition, manufacturers pay an annual licence fee for the use of the Prüfengel seal. We also receive a commission for linking to manufacturers’ websites. These remunerations have no influence on our test results or ratings.

We guarantee transparency and a fair evaluation. For a detailed insight into our comprehensive evaluation process, please click here.

MINOVA
Styrofoam cutter Rotatable

Manufacturer’s product description

The MINOVA Styrofoam cutter is a well-designed tool for precise cutting of Styrofoam and hard foam boards. Particularly noteworthy is the long cutting length of up to 1,300 millimeters, which can easily handle even larger boards. The ability to adjust angles between 0 and 90 degrees allows for clean miter cuts and diagonal cuts. A ball-bearing sliding mechanism ensures that the heating wire glides smoothly and in a controlled manner. Even during longer periods of use, the device remains stable and does not overheat thanks to its air-cooled 260-watt power supply. The included accessories —including cutting wires, Styrogrips, a grinding rasp, and a sturdy soft bag —make the device ready for immediate use. The heating wire can be tensioned and adjusted without tools, which makes setup much easier.

Overall, the Styrofoam cutter is a professional device that is also suitable for ambitious DIY enthusiasts.

  • Air-cooled
  • Easy cleaning
  • Adjustable temperature
  • Rotatable
  • More temperature adjustment levels would be desirable

First impression

Packaging and contents

Here, we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course be ensured. Is the contents of the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

Here, we take a closer look at the packaging. Sustainability is becoming an increasingly important factor. In addition, adequate protection of the product must of course be ensured. Is the packaging complete and does the manufacturer make it as easy as possible for me to use the product straight away?

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Product protection

Cardboard is sturdy, product adequately protected

100

Points

Sustainability of packaging

Unfortunately, unnecessary packaging waste was not avoided

80

Points

Package contents & scope

Complete

100

Points

Instructions

Product is self-explanatory

100

Points

TOTAL

95

Points

Weighting: 20%
*The maximum number of points is 100

When opening the packaging, the well-thought-out composition of the set is immediately apparent. Everything is neatly stowed away, the individual parts are well padded and appear to be securely packed. The case makes a durable impression and offers space for all accessories. Particularly positive: it comes with clear instructions that explain the assembly step by step. The cutting wires are packaged separately, which prevents damage. The first impression is that you are holding a high-quality and complete set in your hands.

First time in hand

Product workmanship and appearance

Before we move on to the practical test, we take a close look at the workmanship of the products. How high-quality are the materials used? Are the feel and appearance satisfactory?

Before we put the products to the test, we take a close look at their workmanship. How high-quality are the materials used? Are the feel and appearance satisfactory?

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Visual appearance

Appealing design

100

Points

Workmanship

Very good workmanship

100

Points

Stability

Very stable

100

Points

Sustainability of the product

No information

80

Points

OVERALL

95

Points

Weighting: 20%
*The maximum score is 100 points

Solidly constructed and comfortable to hold – this is how the MINOVA Styrofoam cutter presents itself in practical use. The metal parts appear sturdy and cleanly welded, while the plastic elements are well deburred and do not give a cheap impression. The rotating cutting unit is particularly impressive, as it is easy to adjust and enables precise angle work. Even after prolonged use, the hot wire remains constantly hot without any signs of overheating or loss of performance. Operation is intuitive, with all switches and controls sensibly positioned and easily accessible. Visually, the device makes a functional, rather matter-of-fact impression—it is not a design object, but clearly designed for efficiency. Accessories such as guide rails and replacement wires are neatly finished and complement the overall package well. Overall, the Styrofoam cutter makes a reliable impression that will certainly prove its worth for ambitious DIY enthusiasts.

This is what our practical test revealed

Does the manufacturer deliver on its advertising promises?

Our practical test has the highest relevance and therefore weighting. Here, the product must undergo a wide variety of criteria and tests. We check the functions and product promises of the test item.

Our practical test is the most relevant and therefore carries the most weight. Here, the product must undergo a wide variety of criteria and tests. We check the functions and product promises of the test item.

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Cutting quality

Cut is completely clean, smooth, and shows no irregularities

100

Points

Ease of use

Very comfortable to use

100

Points

Safety during use

Works perfectly in all tests

100

Points

Mobility and transportability

The Styrofoam cutter is easy to carry thanks to its practical case

100

Points

Easy to clean and maintain

Can be completely cleaned with minimal time and simple means

100

Points

OVERALL

100

Points

Weighting: 45%
*The maximum score is 100 points

MINOVA promises a cutting device that is ready for immediate use, precise, and durable— and this promise is largely fulfilled. The simple installation without tools actually works without any problems. The promised angle adjustment and high cutting length can also be used as specified. The air-cooled power supply delivers what it promises: no overheating, even during prolonged use. The accessories are complete and well chosen, so you can get started right away. The coil tensioning device for the heating wire in particular shows that practical considerations were taken into account here. Advertising promises such as“precise cuts”and “robust workmanship”are not empty phrases, but are reflected in actual use. Overall, the product gives the impression that the manufacturer has understood its target group and delivers what it promises.

Test plan

A detailed insight into the evaluation criteria for the practical part of the test and the distribution of points can be found here. If you are also interested in the evaluation of our other test criteria, please read our document on the evaluation process.

Price/performance ratio

and consumer reviews

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

Finally, we examine how the product compares to the competition. Can it compete with the competition in terms of price and quality? Would we generally recommend it for purchase?

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Price/performance ratio

Very good performance in the upper price segment

70

Points

TOTAL

70

Points

Weighting: 15%
*The maximum score is 100 points

Prices of up to €129.99 are charged online for equivalent products. Very inexpensive products are available from as little as €85.99 . The MINOVA rotary polystyrene cutter is currently in the upper price segment at €119.00. The price/performance ratio is rated as very good. This rating takes into account both the high quality and performance as well as the price in the upper segment, resulting in a very good overall ratio.

Overall result

1. Packaging & contents

20

95

Points

2. Product processing & appearance

20

95

Points

3. Practical test

45

100

Points

4. Price/performance ratio

15

70

Points

TOTAL

94

Points

*The maximum score is 100 points

Styrofoam cutter Rotatable
 of the brand 
MINOVA
achieved
94
Points in our test and therefore passed. The test was carried out in the test period
09/25
and is stored in our database under the licence number
250919001
. Further information on our test procedure can be found at www.pruefengel.de/testverfahren.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

The practical tests are based on careful observations and do not include long-term or laboratory tests. The test judgements reflect the personal impressions and opinions of the testers who try out the products in everyday use. We would like to emphasise that these evaluations do not claim to be exhaustive and may reflect both subjective and objective impressions. The evaluations are made to the best of our knowledge and belief, without any liability being assumed for the accuracy or completeness of the test results. It is important to note that our tests are not based on legal requirements, medical effects or specific ingredients of the products. We rely on the advertising claims and information provided by the manufacturers, but use of the information is always at your own risk. Our efforts are aimed at ensuring a serious and thorough testing procedure, which has been developed in a long and professional process in close co-operation with our testers.

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Evaluation process

You can find a detailed insight into our evaluation process, which forms the basis for our product ratings, here:

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Our product evaluations are carried out exclusively through direct, on-site tests. This ensures a detailed and specific examination of the product properties. You can find more information about the test procedure here.

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